Home / 876,045.76-1,208,943.02-473,637.76

Finding the Fourth Proportional to 876,045.76, 1,208,943.02 and 473,637.76

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Solution

The fourth proportional to 876,045.76, 1,208,943.02 and 473,637.76 is: 653,620.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,045.76 : 1,208,943.02 = 473,637.76 : x
  2. Step 2: Convert to fraction form
    876,045.76/1,208,943.02 = 473,637.76/x
  3. Step 3: Cross multiply
    876,045.76x = 1,208,943.02 × 473,637.76
  4. Step 4: Simplify right side
    876,045.76x = 572,601,063,960.44
  5. Step 5: Solve for x
    x = 572,601,063,960.44/876,045.76
  6. Step 6: Final answer
    x = 653,620.04

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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.