Home / 1,244,821.80-1,862,931.90-746,543.40

Finding the Fourth Proportional to 1,244,821.80, 1,862,931.90 and 746,543.40

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Solution

The fourth proportional to 1,244,821.80, 1,862,931.90 and 746,543.40 is: 1,117,235.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,821.80 : 1,862,931.90 = 746,543.40 : x
  2. Step 2: Convert to fraction form
    1,244,821.80/1,862,931.90 = 746,543.40/x
  3. Step 3: Cross multiply
    1,244,821.80x = 1,862,931.90 × 746,543.40
  4. Step 4: Simplify right side
    1,244,821.80x = 1,390,759,514,594.46
  5. Step 5: Solve for x
    x = 1,390,759,514,594.46/1,244,821.80
  6. Step 6: Final answer
    x = 1,117,235.83

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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.