Home / 977,443.80-1,466,165.70-577,878.90

Finding the Fourth Proportional to 977,443.80, 1,466,165.70 and 577,878.90

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Solution

The fourth proportional to 977,443.80, 1,466,165.70 and 577,878.90 is: 866,818.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,443.80 : 1,466,165.70 = 577,878.90 : x
  2. Step 2: Convert to fraction form
    977,443.80/1,466,165.70 = 577,878.90/x
  3. Step 3: Cross multiply
    977,443.80x = 1,466,165.70 × 577,878.90
  4. Step 4: Simplify right side
    977,443.80x = 847,266,221,933.73
  5. Step 5: Solve for x
    x = 847,266,221,933.73/977,443.80
  6. Step 6: Final answer
    x = 866,818.35

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Half scale
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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.