Home / 625,290.37-862,901.47-338,810.23

Finding the Fourth Proportional to 625,290.37, 862,901.47 and 338,810.23

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Solution

The fourth proportional to 625,290.37, 862,901.47 and 338,810.23 is: 467,558.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,290.37 : 862,901.47 = 338,810.23 : x
  2. Step 2: Convert to fraction form
    625,290.37/862,901.47 = 338,810.23/x
  3. Step 3: Cross multiply
    625,290.37x = 862,901.47 × 338,810.23
  4. Step 4: Simplify right side
    625,290.37x = 292,359,845,518.04
  5. Step 5: Solve for x
    x = 292,359,845,518.04/625,290.37
  6. Step 6: Final answer
    x = 467,558.53

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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.