Home / 884,042.22-1,220,125.02-521,555.20

Finding the Fourth Proportional to 884,042.22, 1,220,125.02 and 521,555.20

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Solution

The fourth proportional to 884,042.22, 1,220,125.02 and 521,555.20 is: 719,832.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,042.22 : 1,220,125.02 = 521,555.20 : x
  2. Step 2: Convert to fraction form
    884,042.22/1,220,125.02 = 521,555.20/x
  3. Step 3: Cross multiply
    884,042.22x = 1,220,125.02 × 521,555.20
  4. Step 4: Simplify right side
    884,042.22x = 636,362,548,831.10
  5. Step 5: Solve for x
    x = 636,362,548,831.10/884,042.22
  6. Step 6: Final answer
    x = 719,832.76

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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.