Home / 566,243.16-781,415.76-311,594.52

Finding the Fourth Proportional to 566,243.16, 781,415.76 and 311,594.52

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Solution

The fourth proportional to 566,243.16, 781,415.76 and 311,594.52 is: 430,000.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,243.16 : 781,415.76 = 311,594.52 : x
  2. Step 2: Convert to fraction form
    566,243.16/781,415.76 = 311,594.52/x
  3. Step 3: Cross multiply
    566,243.16x = 781,415.76 × 311,594.52
  4. Step 4: Simplify right side
    566,243.16x = 243,484,868,657.64
  5. Step 5: Solve for x
    x = 243,484,868,657.64/566,243.16
  6. Step 6: Final answer
    x = 430,000.55

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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.