Home / 566,243.84-781,384.01-311,595.02

Finding the Fourth Proportional to 566,243.84, 781,384.01 and 311,595.02

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Solution

The fourth proportional to 566,243.84, 781,384.01 and 311,595.02 is: 429,983.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,243.84 : 781,384.01 = 311,595.02 : x
  2. Step 2: Convert to fraction form
    566,243.84/781,384.01 = 311,595.02/x
  3. Step 3: Cross multiply
    566,243.84x = 781,384.01 × 311,595.02
  4. Step 4: Simplify right side
    566,243.84x = 243,475,360,758.74
  5. Step 5: Solve for x
    x = 243,475,360,758.74/566,243.84
  6. Step 6: Final answer
    x = 429,983.24

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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.