Home / 623,927.84-861,020.40-337,447.96

Finding the Fourth Proportional to 623,927.84, 861,020.40 and 337,447.96

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Solution

The fourth proportional to 623,927.84, 861,020.40 and 337,447.96 is: 465,678.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,927.84 : 861,020.40 = 337,447.96 : x
  2. Step 2: Convert to fraction form
    623,927.84/861,020.40 = 337,447.96/x
  3. Step 3: Cross multiply
    623,927.84x = 861,020.40 × 337,447.96
  4. Step 4: Simplify right side
    623,927.84x = 290,549,577,498.38
  5. Step 5: Solve for x
    x = 290,549,577,498.38/623,927.84
  6. Step 6: Final answer
    x = 465,678.17

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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.