Home / 1,332,547.92-1,838,916.10-720,700.73

Finding the Fourth Proportional to 1,332,547.92, 1,838,916.10 and 720,700.73

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Solution

The fourth proportional to 1,332,547.92, 1,838,916.10 and 720,700.73 is: 994,566.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,547.92 : 1,838,916.10 = 720,700.73 : x
  2. Step 2: Convert to fraction form
    1,332,547.92/1,838,916.10 = 720,700.73/x
  3. Step 3: Cross multiply
    1,332,547.92x = 1,838,916.10 × 720,700.73
  4. Step 4: Simplify right side
    1,332,547.92x = 1,325,308,175,678.75
  5. Step 5: Solve for x
    x = 1,325,308,175,678.75/1,332,547.92
  6. Step 6: Final answer
    x = 994,566.99

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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.