Home / 816,240.40-1,223,165.40-732,000.40

Finding the Fourth Proportional to 816,240.40, 1,223,165.40 and 732,000.40

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Solution

The fourth proportional to 816,240.40, 1,223,165.40 and 732,000.40 is: 1,096,928.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,240.40 : 1,223,165.40 = 732,000.40 : x
  2. Step 2: Convert to fraction form
    816,240.40/1,223,165.40 = 732,000.40/x
  3. Step 3: Cross multiply
    816,240.40x = 1,223,165.40 × 732,000.40
  4. Step 4: Simplify right side
    816,240.40x = 895,357,562,066.16
  5. Step 5: Solve for x
    x = 895,357,562,066.16/816,240.40
  6. Step 6: Final answer
    x = 1,096,928.75

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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.