Home / 591,625.40-887,438.10-405,001.40

Finding the Fourth Proportional to 591,625.40, 887,438.10 and 405,001.40

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Solution

The fourth proportional to 591,625.40, 887,438.10 and 405,001.40 is: 607,502.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,625.40 : 887,438.10 = 405,001.40 : x
  2. Step 2: Convert to fraction form
    591,625.40/887,438.10 = 405,001.40/x
  3. Step 3: Cross multiply
    591,625.40x = 887,438.10 × 405,001.40
  4. Step 4: Simplify right side
    591,625.40x = 359,413,672,913.34
  5. Step 5: Solve for x
    x = 359,413,672,913.34/591,625.40
  6. Step 6: Final answer
    x = 607,502.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.