Home / 977,443.80-1,466,165.70-470,460.75

Finding the Fourth Proportional to 977,443.80, 1,466,165.70 and 470,460.75

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Solution

The fourth proportional to 977,443.80, 1,466,165.70 and 470,460.75 is: 705,691.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,443.80 : 1,466,165.70 = 470,460.75 : x
  2. Step 2: Convert to fraction form
    977,443.80/1,466,165.70 = 470,460.75/x
  3. Step 3: Cross multiply
    977,443.80x = 1,466,165.70 × 470,460.75
  4. Step 4: Simplify right side
    977,443.80x = 689,773,414,846.28
  5. Step 5: Solve for x
    x = 689,773,414,846.28/977,443.80
  6. Step 6: Final answer
    x = 705,691.13

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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.