Home / 927,073.23-1,390,826.81-287,343.52

Finding the Fourth Proportional to 927,073.23, 1,390,826.81 and 287,343.52

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Solution

The fourth proportional to 927,073.23, 1,390,826.81 and 287,343.52 is: 431,082.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,073.23 : 1,390,826.81 = 287,343.52 : x
  2. Step 2: Convert to fraction form
    927,073.23/1,390,826.81 = 287,343.52/x
  3. Step 3: Cross multiply
    927,073.23x = 1,390,826.81 × 287,343.52
  4. Step 4: Simplify right side
    927,073.23x = 399,645,071,295.77
  5. Step 5: Solve for x
    x = 399,645,071,295.77/927,073.23
  6. Step 6: Final answer
    x = 431,082.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.