Home / 1,037,153.20-1,555,729.80-926,928.40

Finding the Fourth Proportional to 1,037,153.20, 1,555,729.80 and 926,928.40

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Solution

The fourth proportional to 1,037,153.20, 1,555,729.80 and 926,928.40 is: 1,390,392.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,153.20 : 1,555,729.80 = 926,928.40 : x
  2. Step 2: Convert to fraction form
    1,037,153.20/1,555,729.80 = 926,928.40/x
  3. Step 3: Cross multiply
    1,037,153.20x = 1,555,729.80 × 926,928.40
  4. Step 4: Simplify right side
    1,037,153.20x = 1,442,050,134,346.32
  5. Step 5: Solve for x
    x = 1,442,050,134,346.32/1,037,153.20
  6. Step 6: Final answer
    x = 1,390,392.60

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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.