Home / 832,368.29-1,148,672.16-469,807.43

Finding the Fourth Proportional to 832,368.29, 1,148,672.16 and 469,807.43

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Solution

The fourth proportional to 832,368.29, 1,148,672.16 and 469,807.43 is: 648,336.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,368.29 : 1,148,672.16 = 469,807.43 : x
  2. Step 2: Convert to fraction form
    832,368.29/1,148,672.16 = 469,807.43/x
  3. Step 3: Cross multiply
    832,368.29x = 1,148,672.16 × 469,807.43
  4. Step 4: Simplify right side
    832,368.29x = 539,654,709,658.79
  5. Step 5: Solve for x
    x = 539,654,709,658.79/832,368.29
  6. Step 6: Final answer
    x = 648,336.46

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.