Home / 581,389.36-872,084.40-160,665.60

Finding the Fourth Proportional to 581,389.36, 872,084.40 and 160,665.60

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Solution

The fourth proportional to 581,389.36, 872,084.40 and 160,665.60 is: 240,998.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,389.36 : 872,084.40 = 160,665.60 : x
  2. Step 2: Convert to fraction form
    581,389.36/872,084.40 = 160,665.60/x
  3. Step 3: Cross multiply
    581,389.36x = 872,084.40 × 160,665.60
  4. Step 4: Simplify right side
    581,389.36x = 140,113,963,376.64
  5. Step 5: Solve for x
    x = 140,113,963,376.64/581,389.36
  6. Step 6: Final answer
    x = 240,998.50

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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.