Home / 907,068.60-1,251,764.04-519,875.64

Finding the Fourth Proportional to 907,068.60, 1,251,764.04 and 519,875.64

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Solution

The fourth proportional to 907,068.60, 1,251,764.04 and 519,875.64 is: 717,433.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,068.60 : 1,251,764.04 = 519,875.64 : x
  2. Step 2: Convert to fraction form
    907,068.60/1,251,764.04 = 519,875.64/x
  3. Step 3: Cross multiply
    907,068.60x = 1,251,764.04 × 519,875.64
  4. Step 4: Simplify right side
    907,068.60x = 650,761,631,423.99
  5. Step 5: Solve for x
    x = 650,761,631,423.99/907,068.60
  6. Step 6: Final answer
    x = 717,433.75

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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.