Home / 1,086,503.48-1,631,354.72-607,669.40

Finding the Fourth Proportional to 1,086,503.48, 1,631,354.72 and 607,669.40

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Solution

The fourth proportional to 1,086,503.48, 1,631,354.72 and 607,669.40 is: 912,398.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,503.48 : 1,631,354.72 = 607,669.40 : x
  2. Step 2: Convert to fraction form
    1,086,503.48/1,631,354.72 = 607,669.40/x
  3. Step 3: Cross multiply
    1,086,503.48x = 1,631,354.72 × 607,669.40
  4. Step 4: Simplify right side
    1,086,503.48x = 991,324,343,889.57
  5. Step 5: Solve for x
    x = 991,324,343,889.57/1,086,503.48
  6. Step 6: Final answer
    x = 912,398.68

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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.