Home / 876,217.40-1,209,180.12-473,809.40

Finding the Fourth Proportional to 876,217.40, 1,209,180.12 and 473,809.40

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Solution

The fourth proportional to 876,217.40, 1,209,180.12 and 473,809.40 is: 653,857.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,217.40 : 1,209,180.12 = 473,809.40 : x
  2. Step 2: Convert to fraction form
    876,217.40/1,209,180.12 = 473,809.40/x
  3. Step 3: Cross multiply
    876,217.40x = 1,209,180.12 × 473,809.40
  4. Step 4: Simplify right side
    876,217.40x = 572,920,907,149.13
  5. Step 5: Solve for x
    x = 572,920,907,149.13/876,217.40
  6. Step 6: Final answer
    x = 653,857.03

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Double scale
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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.