Home / 946,923.40-1,420,385.10-473,437.90

Finding the Fourth Proportional to 946,923.40, 1,420,385.10 and 473,437.90

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Solution

The fourth proportional to 946,923.40, 1,420,385.10 and 473,437.90 is: 710,156.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,923.40 : 1,420,385.10 = 473,437.90 : x
  2. Step 2: Convert to fraction form
    946,923.40/1,420,385.10 = 473,437.90/x
  3. Step 3: Cross multiply
    946,923.40x = 1,420,385.10 × 473,437.90
  4. Step 4: Simplify right side
    946,923.40x = 672,464,138,935.29
  5. Step 5: Solve for x
    x = 672,464,138,935.29/946,923.40
  6. Step 6: Final answer
    x = 710,156.85

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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.