Home / 913,408.40-1,367,488.20-559,114.40

Finding the Fourth Proportional to 913,408.40, 1,367,488.20 and 559,114.40

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Solution

The fourth proportional to 913,408.40, 1,367,488.20 and 559,114.40 is: 837,065.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,408.40 : 1,367,488.20 = 559,114.40 : x
  2. Step 2: Convert to fraction form
    913,408.40/1,367,488.20 = 559,114.40/x
  3. Step 3: Cross multiply
    913,408.40x = 1,367,488.20 × 559,114.40
  4. Step 4: Simplify right side
    913,408.40x = 764,582,344,450.08
  5. Step 5: Solve for x
    x = 764,582,344,450.08/913,408.40
  6. Step 6: Final answer
    x = 837,065.16

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1.5x scale

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.