Home / 838,288.64-1,156,496.64-515,901.44

Finding the Fourth Proportional to 838,288.64, 1,156,496.64 and 515,901.44

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Solution

The fourth proportional to 838,288.64, 1,156,496.64 and 515,901.44 is: 711,733.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,288.64 : 1,156,496.64 = 515,901.44 : x
  2. Step 2: Convert to fraction form
    838,288.64/1,156,496.64 = 515,901.44/x
  3. Step 3: Cross multiply
    838,288.64x = 1,156,496.64 × 515,901.44
  4. Step 4: Simplify right side
    838,288.64x = 596,638,281,931.16
  5. Step 5: Solve for x
    x = 596,638,281,931.16/838,288.64
  6. Step 6: Final answer
    x = 711,733.71

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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.