Home / 876,626.20-1,314,032.10-476,421.40

Finding the Fourth Proportional to 876,626.20, 1,314,032.10 and 476,421.40

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Solution

The fourth proportional to 876,626.20, 1,314,032.10 and 476,421.40 is: 714,139.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,626.20 : 1,314,032.10 = 476,421.40 : x
  2. Step 2: Convert to fraction form
    876,626.20/1,314,032.10 = 476,421.40/x
  3. Step 3: Cross multiply
    876,626.20x = 1,314,032.10 × 476,421.40
  4. Step 4: Simplify right side
    876,626.20x = 626,033,012,726.94
  5. Step 5: Solve for x
    x = 626,033,012,726.94/876,626.20
  6. Step 6: Final answer
    x = 714,139.06

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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.