Home / 750,867.85-1,036,223.49-411,336.10

Finding the Fourth Proportional to 750,867.85, 1,036,223.49 and 411,336.10

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Solution

The fourth proportional to 750,867.85, 1,036,223.49 and 411,336.10 is: 567,657.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,867.85 : 1,036,223.49 = 411,336.10 : x
  2. Step 2: Convert to fraction form
    750,867.85/1,036,223.49 = 411,336.10/x
  3. Step 3: Cross multiply
    750,867.85x = 1,036,223.49 × 411,336.10
  4. Step 4: Simplify right side
    750,867.85x = 426,236,129,104.99
  5. Step 5: Solve for x
    x = 426,236,129,104.99/750,867.85
  6. Step 6: Final answer
    x = 567,657.98

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.