Home / 578,075.40-867,113.10-157,350.60

Finding the Fourth Proportional to 578,075.40, 867,113.10 and 157,350.60

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Solution

The fourth proportional to 578,075.40, 867,113.10 and 157,350.60 is: 236,025.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,075.40 : 867,113.10 = 157,350.60 : x
  2. Step 2: Convert to fraction form
    578,075.40/867,113.10 = 157,350.60/x
  3. Step 3: Cross multiply
    578,075.40x = 867,113.10 × 157,350.60
  4. Step 4: Simplify right side
    578,075.40x = 136,440,766,552.86
  5. Step 5: Solve for x
    x = 136,440,766,552.86/578,075.40
  6. Step 6: Final answer
    x = 236,025.90

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Double scale
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Similar ratio
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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.