Home / 632,499.19-872,869.44-346,019.28

Finding the Fourth Proportional to 632,499.19, 872,869.44 and 346,019.28

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Solution

The fourth proportional to 632,499.19, 872,869.44 and 346,019.28 is: 477,517.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,499.19 : 872,869.44 = 346,019.28 : x
  2. Step 2: Convert to fraction form
    632,499.19/872,869.44 = 346,019.28/x
  3. Step 3: Cross multiply
    632,499.19x = 872,869.44 × 346,019.28
  4. Step 4: Simplify right side
    632,499.19x = 302,029,650,798.46
  5. Step 5: Solve for x
    x = 302,029,650,798.46/632,499.19
  6. Step 6: Final answer
    x = 477,517.85

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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.