Home / 1,207,271.80-1,808,834.10-574,823.80

Finding the Fourth Proportional to 1,207,271.80, 1,808,834.10 and 574,823.80

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Solution

The fourth proportional to 1,207,271.80, 1,808,834.10 and 574,823.80 is: 861,248.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,271.80 : 1,808,834.10 = 574,823.80 : x
  2. Step 2: Convert to fraction form
    1,207,271.80/1,808,834.10 = 574,823.80/x
  3. Step 3: Cross multiply
    1,207,271.80x = 1,808,834.10 × 574,823.80
  4. Step 4: Simplify right side
    1,207,271.80x = 1,039,760,890,931.58
  5. Step 5: Solve for x
    x = 1,039,760,890,931.58/1,207,271.80
  6. Step 6: Final answer
    x = 861,248.39

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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.