Home / 377,534.20-564,989.10-346,041.40

Finding the Fourth Proportional to 377,534.20, 564,989.10 and 346,041.40

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Solution

The fourth proportional to 377,534.20, 564,989.10 and 346,041.40 is: 517,859.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,534.20 : 564,989.10 = 346,041.40 : x
  2. Step 2: Convert to fraction form
    377,534.20/564,989.10 = 346,041.40/x
  3. Step 3: Cross multiply
    377,534.20x = 564,989.10 × 346,041.40
  4. Step 4: Simplify right side
    377,534.20x = 195,509,619,148.74
  5. Step 5: Solve for x
    x = 195,509,619,148.74/377,534.20
  6. Step 6: Final answer
    x = 517,859.36

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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.