Home / 636,829.04-878,792.31-350,341.76

Finding the Fourth Proportional to 636,829.04, 878,792.31 and 350,341.76

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Solution

The fourth proportional to 636,829.04, 878,792.31 and 350,341.76 is: 483,454.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,829.04 : 878,792.31 = 350,341.76 : x
  2. Step 2: Convert to fraction form
    636,829.04/878,792.31 = 350,341.76/x
  3. Step 3: Cross multiply
    636,829.04x = 878,792.31 × 350,341.76
  4. Step 4: Simplify right side
    636,829.04x = 307,877,644,559.87
  5. Step 5: Solve for x
    x = 307,877,644,559.87/636,829.04
  6. Step 6: Final answer
    x = 483,454.15

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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.