Home / 692,778.04-956,130.43-386,874.15

Finding the Fourth Proportional to 692,778.04, 956,130.43 and 386,874.15

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Solution

The fourth proportional to 692,778.04, 956,130.43 and 386,874.15 is: 533,940.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,778.04 : 956,130.43 = 386,874.15 : x
  2. Step 2: Convert to fraction form
    692,778.04/956,130.43 = 386,874.15/x
  3. Step 3: Cross multiply
    692,778.04x = 956,130.43 × 386,874.15
  4. Step 4: Simplify right side
    692,778.04x = 369,902,146,257.22
  5. Step 5: Solve for x
    x = 369,902,146,257.22/692,778.04
  6. Step 6: Final answer
    x = 533,940.35

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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.