Home / 832,354.28-1,148,645.22-450,387.80

Finding the Fourth Proportional to 832,354.28, 1,148,645.22 and 450,387.80

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Solution

The fourth proportional to 832,354.28, 1,148,645.22 and 450,387.80 is: 621,533.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,354.28 : 1,148,645.22 = 450,387.80 : x
  2. Step 2: Convert to fraction form
    832,354.28/1,148,645.22 = 450,387.80/x
  3. Step 3: Cross multiply
    832,354.28x = 1,148,645.22 × 450,387.80
  4. Step 4: Simplify right side
    832,354.28x = 517,335,793,616.32
  5. Step 5: Solve for x
    x = 517,335,793,616.32/832,354.28
  6. Step 6: Final answer
    x = 621,533.17

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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.