Home / 1,132,588.20-1,698,881.88-412,984.20

Finding the Fourth Proportional to 1,132,588.20, 1,698,881.88 and 412,984.20

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Solution

The fourth proportional to 1,132,588.20, 1,698,881.88 and 412,984.20 is: 619,476.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,588.20 : 1,698,881.88 = 412,984.20 : x
  2. Step 2: Convert to fraction form
    1,132,588.20/1,698,881.88 = 412,984.20/x
  3. Step 3: Cross multiply
    1,132,588.20x = 1,698,881.88 × 412,984.20
  4. Step 4: Simplify right side
    1,132,588.20x = 701,611,374,106.30
  5. Step 5: Solve for x
    x = 701,611,374,106.30/1,132,588.20
  6. Step 6: Final answer
    x = 619,476.15

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Double scale
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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.