Home / 916,342.96-1,373,962.02-410,812.52

Finding the Fourth Proportional to 916,342.96, 1,373,962.02 and 410,812.52

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Solution

The fourth proportional to 916,342.96, 1,373,962.02 and 410,812.52 is: 615,971.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,342.96 : 1,373,962.02 = 410,812.52 : x
  2. Step 2: Convert to fraction form
    916,342.96/1,373,962.02 = 410,812.52/x
  3. Step 3: Cross multiply
    916,342.96x = 1,373,962.02 × 410,812.52
  4. Step 4: Simplify right side
    916,342.96x = 564,440,799,820.49
  5. Step 5: Solve for x
    x = 564,440,799,820.49/916,342.96
  6. Step 6: Final answer
    x = 615,971.12

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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.