Home / 578,059.60-867,089.40-538,693.60

Finding the Fourth Proportional to 578,059.60, 867,089.40 and 538,693.60

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Solution

The fourth proportional to 578,059.60, 867,089.40 and 538,693.60 is: 808,040.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,059.60 : 867,089.40 = 538,693.60 : x
  2. Step 2: Convert to fraction form
    578,059.60/867,089.40 = 538,693.60/x
  3. Step 3: Cross multiply
    578,059.60x = 867,089.40 × 538,693.60
  4. Step 4: Simplify right side
    578,059.60x = 467,095,510,407.84
  5. Step 5: Solve for x
    x = 467,095,510,407.84/578,059.60
  6. Step 6: Final answer
    x = 808,040.40

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Similar ratio
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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.