Home / 942,949.65-1,301,275.94-513,228.76

Finding the Fourth Proportional to 942,949.65, 1,301,275.94 and 513,228.76

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Solution

The fourth proportional to 942,949.65, 1,301,275.94 and 513,228.76 is: 708,258.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,949.65 : 1,301,275.94 = 513,228.76 : x
  2. Step 2: Convert to fraction form
    942,949.65/1,301,275.94 = 513,228.76/x
  3. Step 3: Cross multiply
    942,949.65x = 1,301,275.94 × 513,228.76
  4. Step 4: Simplify right side
    942,949.65x = 667,852,231,284.70
  5. Step 5: Solve for x
    x = 667,852,231,284.70/942,949.65
  6. Step 6: Final answer
    x = 708,258.63

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Double scale
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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.