Home / 862,103.40-1,293,155.10-546,916.20

Finding the Fourth Proportional to 862,103.40, 1,293,155.10 and 546,916.20

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Solution

The fourth proportional to 862,103.40, 1,293,155.10 and 546,916.20 is: 820,374.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,103.40 : 1,293,155.10 = 546,916.20 : x
  2. Step 2: Convert to fraction form
    862,103.40/1,293,155.10 = 546,916.20/x
  3. Step 3: Cross multiply
    862,103.40x = 1,293,155.10 × 546,916.20
  4. Step 4: Simplify right side
    862,103.40x = 707,247,473,302.62
  5. Step 5: Solve for x
    x = 707,247,473,302.62/862,103.40
  6. Step 6: Final answer
    x = 820,374.30

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Double scale
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1.5x scale

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.