Home / 781,448.46-1,077,365.12-563,474.76

Finding the Fourth Proportional to 781,448.46, 1,077,365.12 and 563,474.76

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Solution

The fourth proportional to 781,448.46, 1,077,365.12 and 563,474.76 is: 776,849.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,448.46 : 1,077,365.12 = 563,474.76 : x
  2. Step 2: Convert to fraction form
    781,448.46/1,077,365.12 = 563,474.76/x
  3. Step 3: Cross multiply
    781,448.46x = 1,077,365.12 × 563,474.76
  4. Step 4: Simplify right side
    781,448.46x = 607,068,049,607.00
  5. Step 5: Solve for x
    x = 607,068,049,607.00/781,448.46
  6. Step 6: Final answer
    x = 776,849.76

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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.