Home / 916,099.20-1,372,075.20-542,851.20

Finding the Fourth Proportional to 916,099.20, 1,372,075.20 and 542,851.20

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Solution

The fourth proportional to 916,099.20, 1,372,075.20 and 542,851.20 is: 813,048.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,099.20 : 1,372,075.20 = 542,851.20 : x
  2. Step 2: Convert to fraction form
    916,099.20/1,372,075.20 = 542,851.20/x
  3. Step 3: Cross multiply
    916,099.20x = 1,372,075.20 × 542,851.20
  4. Step 4: Simplify right side
    916,099.20x = 744,832,668,810.24
  5. Step 5: Solve for x
    x = 744,832,668,810.24/916,099.20
  6. Step 6: Final answer
    x = 813,048.05

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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.