Home / 1,065,657.47-1,598,737.40-345,943.71

Finding the Fourth Proportional to 1,065,657.47, 1,598,737.40 and 345,943.71

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Solution

The fourth proportional to 1,065,657.47, 1,598,737.40 and 345,943.71 is: 518,997.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,657.47 : 1,598,737.40 = 345,943.71 : x
  2. Step 2: Convert to fraction form
    1,065,657.47/1,598,737.40 = 345,943.71/x
  3. Step 3: Cross multiply
    1,065,657.47x = 1,598,737.40 × 345,943.71
  4. Step 4: Simplify right side
    1,065,657.47x = 553,073,147,039.32
  5. Step 5: Solve for x
    x = 553,073,147,039.32/1,065,657.47
  6. Step 6: Final answer
    x = 518,997.11

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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.