Home / 985,023.59-1,359,273.96-571,528.44

Finding the Fourth Proportional to 985,023.59, 1,359,273.96 and 571,528.44

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Solution

The fourth proportional to 985,023.59, 1,359,273.96 and 571,528.44 is: 788,675.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,023.59 : 1,359,273.96 = 571,528.44 : x
  2. Step 2: Convert to fraction form
    985,023.59/1,359,273.96 = 571,528.44/x
  3. Step 3: Cross multiply
    985,023.59x = 1,359,273.96 × 571,528.44
  4. Step 4: Simplify right side
    985,023.59x = 776,863,725,891.42
  5. Step 5: Solve for x
    x = 776,863,725,891.42/985,023.59
  6. Step 6: Final answer
    x = 788,675.25

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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.