Home / 1,750,140.80-2,619,962.40-1,039,803.20

Finding the Fourth Proportional to 1,750,140.80, 2,619,962.40 and 1,039,803.20

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Solution

The fourth proportional to 1,750,140.80, 2,619,962.40 and 1,039,803.20 is: 1,556,586.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750,140.80 : 2,619,962.40 = 1,039,803.20 : x
  2. Step 2: Convert to fraction form
    1,750,140.80/2,619,962.40 = 1,039,803.20/x
  3. Step 3: Cross multiply
    1,750,140.80x = 2,619,962.40 × 1,039,803.20
  4. Step 4: Simplify right side
    1,750,140.80x = 2,724,245,287,399.68
  5. Step 5: Solve for x
    x = 2,724,245,287,399.68/1,750,140.80
  6. Step 6: Final answer
    x = 1,556,586.35

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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.