Home / 632,218.18-872,196.45-414,479.13

Finding the Fourth Proportional to 632,218.18, 872,196.45 and 414,479.13

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Solution

The fourth proportional to 632,218.18, 872,196.45 and 414,479.13 is: 571,807.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,218.18 : 872,196.45 = 414,479.13 : x
  2. Step 2: Convert to fraction form
    632,218.18/872,196.45 = 414,479.13/x
  3. Step 3: Cross multiply
    632,218.18x = 872,196.45 × 414,479.13
  4. Step 4: Simplify right side
    632,218.18x = 361,507,223,604.60
  5. Step 5: Solve for x
    x = 361,507,223,604.60/632,218.18
  6. Step 6: Final answer
    x = 571,807.70

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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.