Home / 623,913.09-861,000.07-337,433.18

Finding the Fourth Proportional to 623,913.09, 861,000.07 and 337,433.18

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Solution

The fourth proportional to 623,913.09, 861,000.07 and 337,433.18 is: 465,657.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,913.09 : 861,000.07 = 337,433.18 : x
  2. Step 2: Convert to fraction form
    623,913.09/861,000.07 = 337,433.18/x
  3. Step 3: Cross multiply
    623,913.09x = 861,000.07 × 337,433.18
  4. Step 4: Simplify right side
    623,913.09x = 290,529,985,608.16
  5. Step 5: Solve for x
    x = 290,529,985,608.16/623,913.09
  6. Step 6: Final answer
    x = 465,657.78

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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.