Home / 1,095,607.20-1,643,410.80-347,728.80

Finding the Fourth Proportional to 1,095,607.20, 1,643,410.80 and 347,728.80

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Solution

The fourth proportional to 1,095,607.20, 1,643,410.80 and 347,728.80 is: 521,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,607.20 : 1,643,410.80 = 347,728.80 : x
  2. Step 2: Convert to fraction form
    1,095,607.20/1,643,410.80 = 347,728.80/x
  3. Step 3: Cross multiply
    1,095,607.20x = 1,643,410.80 × 347,728.80
  4. Step 4: Simplify right side
    1,095,607.20x = 571,461,265,391.04
  5. Step 5: Solve for x
    x = 571,461,265,391.04/1,095,607.20
  6. Step 6: Final answer
    x = 521,593.20

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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.