Home / 1,173,889.80-1,761,490.80-499,856.40

Finding the Fourth Proportional to 1,173,889.80, 1,761,490.80 and 499,856.40

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Solution

The fourth proportional to 1,173,889.80, 1,761,490.80 and 499,856.40 is: 750,063.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,889.80 : 1,761,490.80 = 499,856.40 : x
  2. Step 2: Convert to fraction form
    1,173,889.80/1,761,490.80 = 499,856.40/x
  3. Step 3: Cross multiply
    1,173,889.80x = 1,761,490.80 × 499,856.40
  4. Step 4: Simplify right side
    1,173,889.80x = 880,492,449,921.12
  5. Step 5: Solve for x
    x = 880,492,449,921.12/1,173,889.80
  6. Step 6: Final answer
    x = 750,063.98

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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.