Home / 916,253.76-1,264,428.96-513,842.24

Finding the Fourth Proportional to 916,253.76, 1,264,428.96 and 513,842.24

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Solution

The fourth proportional to 916,253.76, 1,264,428.96 and 513,842.24 is: 709,101.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,253.76 : 1,264,428.96 = 513,842.24 : x
  2. Step 2: Convert to fraction form
    916,253.76/1,264,428.96 = 513,842.24/x
  3. Step 3: Cross multiply
    916,253.76x = 1,264,428.96 × 513,842.24
  4. Step 4: Simplify right side
    916,253.76x = 649,717,009,127.27
  5. Step 5: Solve for x
    x = 649,717,009,127.27/916,253.76
  6. Step 6: Final answer
    x = 709,101.60

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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.