Home / 876,700.20-1,314,143.10-476,495.40

Finding the Fourth Proportional to 876,700.20, 1,314,143.10 and 476,495.40

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Solution

The fourth proportional to 876,700.20, 1,314,143.10 and 476,495.40 is: 714,250.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,700.20 : 1,314,143.10 = 476,495.40 : x
  2. Step 2: Convert to fraction form
    876,700.20/1,314,143.10 = 476,495.40/x
  3. Step 3: Cross multiply
    876,700.20x = 1,314,143.10 × 476,495.40
  4. Step 4: Simplify right side
    876,700.20x = 626,183,142,091.74
  5. Step 5: Solve for x
    x = 626,183,142,091.74/876,700.20
  6. Step 6: Final answer
    x = 714,250.03

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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.