Home / 918,293.66-1,373,411.61-817,800.40

Finding the Fourth Proportional to 918,293.66, 1,373,411.61 and 817,800.40

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Solution

The fourth proportional to 918,293.66, 1,373,411.61 and 817,800.40 is: 1,223,112.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,293.66 : 1,373,411.61 = 817,800.40 : x
  2. Step 2: Convert to fraction form
    918,293.66/1,373,411.61 = 817,800.40/x
  3. Step 3: Cross multiply
    918,293.66x = 1,373,411.61 × 817,800.40
  4. Step 4: Simplify right side
    918,293.66x = 1,123,176,564,022.64
  5. Step 5: Solve for x
    x = 1,123,176,564,022.64/918,293.66
  6. Step 6: Final answer
    x = 1,223,112.62

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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.