Home / 915,233.68-1,263,068.83-527,905.04

Finding the Fourth Proportional to 915,233.68, 1,263,068.83 and 527,905.04

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Solution

The fourth proportional to 915,233.68, 1,263,068.83 and 527,905.04 is: 728,535.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,233.68 : 1,263,068.83 = 527,905.04 : x
  2. Step 2: Convert to fraction form
    915,233.68/1,263,068.83 = 527,905.04/x
  3. Step 3: Cross multiply
    915,233.68x = 1,263,068.83 × 527,905.04
  4. Step 4: Simplify right side
    915,233.68x = 666,780,405,041.46
  5. Step 5: Solve for x
    x = 666,780,405,041.46/915,233.68
  6. Step 6: Final answer
    x = 728,535.70

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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.