Home / 814,386.40-1,123,988.15-451,926.69

Finding the Fourth Proportional to 814,386.40, 1,123,988.15 and 451,926.69

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Solution

The fourth proportional to 814,386.40, 1,123,988.15 and 451,926.69 is: 623,733.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,386.40 : 1,123,988.15 = 451,926.69 : x
  2. Step 2: Convert to fraction form
    814,386.40/1,123,988.15 = 451,926.69/x
  3. Step 3: Cross multiply
    814,386.40x = 1,123,988.15 × 451,926.69
  4. Step 4: Simplify right side
    814,386.40x = 507,960,244,923.93
  5. Step 5: Solve for x
    x = 507,960,244,923.93/814,386.40
  6. Step 6: Final answer
    x = 623,733.70

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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.