Home / 1,061,700.45-1,465,291.25-626,240.80

Finding the Fourth Proportional to 1,061,700.45, 1,465,291.25 and 626,240.80

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Solution

The fourth proportional to 1,061,700.45, 1,465,291.25 and 626,240.80 is: 864,297.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061,700.45 : 1,465,291.25 = 626,240.80 : x
  2. Step 2: Convert to fraction form
    1,061,700.45/1,465,291.25 = 626,240.80/x
  3. Step 3: Cross multiply
    1,061,700.45x = 1,465,291.25 × 626,240.80
  4. Step 4: Simplify right side
    1,061,700.45x = 917,625,165,681.81
  5. Step 5: Solve for x
    x = 917,625,165,681.81/1,061,700.45
  6. Step 6: Final answer
    x = 864,297.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.