Home / 977,607.90-1,466,411.85-408,890.70

Finding the Fourth Proportional to 977,607.90, 1,466,411.85 and 408,890.70

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Solution

The fourth proportional to 977,607.90, 1,466,411.85 and 408,890.70 is: 613,336.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,607.90 : 1,466,411.85 = 408,890.70 : x
  2. Step 2: Convert to fraction form
    977,607.90/1,466,411.85 = 408,890.70/x
  3. Step 3: Cross multiply
    977,607.90x = 1,466,411.85 × 408,890.70
  4. Step 4: Simplify right side
    977,607.90x = 599,602,167,834.80
  5. Step 5: Solve for x
    x = 599,602,167,834.80/977,607.90
  6. Step 6: Final answer
    x = 613,336.05

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Double scale
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Similar ratio
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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.