Home / 876,165.20-1,312,692.60-543,352.40

Finding the Fourth Proportional to 876,165.20, 1,312,692.60 and 543,352.40

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Solution

The fourth proportional to 876,165.20, 1,312,692.60 and 543,352.40 is: 814,064.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,165.20 : 1,312,692.60 = 543,352.40 : x
  2. Step 2: Convert to fraction form
    876,165.20/1,312,692.60 = 543,352.40/x
  3. Step 3: Cross multiply
    876,165.20x = 1,312,692.60 × 543,352.40
  4. Step 4: Simplify right side
    876,165.20x = 713,254,674,672.24
  5. Step 5: Solve for x
    x = 713,254,674,672.24/876,165.20
  6. Step 6: Final answer
    x = 814,064.15

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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.