Home / 748,435.92-1,033,934.40-647,658.96

Finding the Fourth Proportional to 748,435.92, 1,033,934.40 and 647,658.96

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Solution

The fourth proportional to 748,435.92, 1,033,934.40 and 647,658.96 is: 894,715.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,435.92 : 1,033,934.40 = 647,658.96 : x
  2. Step 2: Convert to fraction form
    748,435.92/1,033,934.40 = 647,658.96/x
  3. Step 3: Cross multiply
    748,435.92x = 1,033,934.40 × 647,658.96
  4. Step 4: Simplify right side
    748,435.92x = 669,636,878,212.22
  5. Step 5: Solve for x
    x = 669,636,878,212.22/748,435.92
  6. Step 6: Final answer
    x = 894,715.05

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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.