Home / 876,088.50-1,209,002.13-473,680.50

Finding the Fourth Proportional to 876,088.50, 1,209,002.13 and 473,680.50

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Solution

The fourth proportional to 876,088.50, 1,209,002.13 and 473,680.50 is: 653,679.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,088.50 : 1,209,002.13 = 473,680.50 : x
  2. Step 2: Convert to fraction form
    876,088.50/1,209,002.13 = 473,680.50/x
  3. Step 3: Cross multiply
    876,088.50x = 1,209,002.13 × 473,680.50
  4. Step 4: Simplify right side
    876,088.50x = 572,680,733,439.47
  5. Step 5: Solve for x
    x = 572,680,733,439.47/876,088.50
  6. Step 6: Final answer
    x = 653,679.09

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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.