Home / 907,332.60-1,252,238.22-520,299.48

Finding the Fourth Proportional to 907,332.60, 1,252,238.22 and 520,299.48

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Solution

The fourth proportional to 907,332.60, 1,252,238.22 and 520,299.48 is: 718,081.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,332.60 : 1,252,238.22 = 520,299.48 : x
  2. Step 2: Convert to fraction form
    907,332.60/1,252,238.22 = 520,299.48/x
  3. Step 3: Cross multiply
    907,332.60x = 1,252,238.22 × 520,299.48
  4. Step 4: Simplify right side
    907,332.60x = 651,538,894,702.13
  5. Step 5: Solve for x
    x = 651,538,894,702.13/907,332.60
  6. Step 6: Final answer
    x = 718,081.65

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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.