Home / 956,101.74-1,319,437.31-520,531.76

Finding the Fourth Proportional to 956,101.74, 1,319,437.31 and 520,531.76

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Solution

The fourth proportional to 956,101.74, 1,319,437.31 and 520,531.76 is: 718,343.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,101.74 : 1,319,437.31 = 520,531.76 : x
  2. Step 2: Convert to fraction form
    956,101.74/1,319,437.31 = 520,531.76/x
  3. Step 3: Cross multiply
    956,101.74x = 1,319,437.31 × 520,531.76
  4. Step 4: Simplify right side
    956,101.74x = 686,809,015,984.12
  5. Step 5: Solve for x
    x = 686,809,015,984.12/956,101.74
  6. Step 6: Final answer
    x = 718,343.02

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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.