Home / 1,490,432.38-2,235,685.46-543,803.06

Finding the Fourth Proportional to 1,490,432.38, 2,235,685.46 and 543,803.06

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Solution

The fourth proportional to 1,490,432.38, 2,235,685.46 and 543,803.06 is: 815,718.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,432.38 : 2,235,685.46 = 543,803.06 : x
  2. Step 2: Convert to fraction form
    1,490,432.38/2,235,685.46 = 543,803.06/x
  3. Step 3: Cross multiply
    1,490,432.38x = 2,235,685.46 × 543,803.06
  4. Step 4: Simplify right side
    1,490,432.38x = 1,215,772,597,215.71
  5. Step 5: Solve for x
    x = 1,215,772,597,215.71/1,490,432.38
  6. Step 6: Final answer
    x = 815,718.05

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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.