Home / 945,239.40-1,417,859.10-346,220.10

Finding the Fourth Proportional to 945,239.40, 1,417,859.10 and 346,220.10

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Solution

The fourth proportional to 945,239.40, 1,417,859.10 and 346,220.10 is: 519,330.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,239.40 : 1,417,859.10 = 346,220.10 : x
  2. Step 2: Convert to fraction form
    945,239.40/1,417,859.10 = 346,220.10/x
  3. Step 3: Cross multiply
    945,239.40x = 1,417,859.10 × 346,220.10
  4. Step 4: Simplify right side
    945,239.40x = 490,891,319,387.91
  5. Step 5: Solve for x
    x = 490,891,319,387.91/945,239.40
  6. Step 6: Final answer
    x = 519,330.15

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Half scale
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Double scale
Find fourth proportional to 945,240.40, 1,417,860.60 and 346,221.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.