Home / 806,279.52-1,112,434.88-519,964

Finding the Fourth Proportional to 806,279.52, 1,112,434.88 and 519,964

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Solution

The fourth proportional to 806,279.52, 1,112,434.88 and 519,964 is: 717,401.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,279.52 : 1,112,434.88 = 519,964 : x
  2. Step 2: Convert to fraction form
    806,279.52/1,112,434.88 = 519,964/x
  3. Step 3: Cross multiply
    806,279.52x = 1,112,434.88 × 519,964
  4. Step 4: Simplify right side
    806,279.52x = 578,426,089,944.32
  5. Step 5: Solve for x
    x = 578,426,089,944.32/806,279.52
  6. Step 6: Final answer
    x = 717,401.44

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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.