Home / 1,156,378.80-1,736,273.35-645,043.03

Finding the Fourth Proportional to 1,156,378.80, 1,736,273.35 and 645,043.03

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Solution

The fourth proportional to 1,156,378.80, 1,736,273.35 and 645,043.03 is: 968,515.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,378.80 : 1,736,273.35 = 645,043.03 : x
  2. Step 2: Convert to fraction form
    1,156,378.80/1,736,273.35 = 645,043.03/x
  3. Step 3: Cross multiply
    1,156,378.80x = 1,736,273.35 × 645,043.03
  4. Step 4: Simplify right side
    1,156,378.80x = 1,119,971,022,592.25
  5. Step 5: Solve for x
    x = 1,119,971,022,592.25/1,156,378.80
  6. Step 6: Final answer
    x = 968,515.70

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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.