Home / 632,156.13-872,402.94-356,606.55

Finding the Fourth Proportional to 632,156.13, 872,402.94 and 356,606.55

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Solution

The fourth proportional to 632,156.13, 872,402.94 and 356,606.55 is: 492,132.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,156.13 : 872,402.94 = 356,606.55 : x
  2. Step 2: Convert to fraction form
    632,156.13/872,402.94 = 356,606.55/x
  3. Step 3: Cross multiply
    632,156.13x = 872,402.94 × 356,606.55
  4. Step 4: Simplify right side
    632,156.13x = 311,104,602,643.26
  5. Step 5: Solve for x
    x = 311,104,602,643.26/632,156.13
  6. Step 6: Final answer
    x = 492,132.54

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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.