Home / 832,392.60-1,248,588.90-477,114.45

Finding the Fourth Proportional to 832,392.60, 1,248,588.90 and 477,114.45

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Solution

The fourth proportional to 832,392.60, 1,248,588.90 and 477,114.45 is: 715,671.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,392.60 : 1,248,588.90 = 477,114.45 : x
  2. Step 2: Convert to fraction form
    832,392.60/1,248,588.90 = 477,114.45/x
  3. Step 3: Cross multiply
    832,392.60x = 1,248,588.90 × 477,114.45
  4. Step 4: Simplify right side
    832,392.60x = 595,719,806,299.61
  5. Step 5: Solve for x
    x = 595,719,806,299.61/832,392.60
  6. Step 6: Final answer
    x = 715,671.68

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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.