Home / 651,192.60-976,788.90-546,216.60

Finding the Fourth Proportional to 651,192.60, 976,788.90 and 546,216.60

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Solution

The fourth proportional to 651,192.60, 976,788.90 and 546,216.60 is: 819,324.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,192.60 : 976,788.90 = 546,216.60 : x
  2. Step 2: Convert to fraction form
    651,192.60/976,788.90 = 546,216.60/x
  3. Step 3: Cross multiply
    651,192.60x = 976,788.90 × 546,216.60
  4. Step 4: Simplify right side
    651,192.60x = 533,538,311,875.74
  5. Step 5: Solve for x
    x = 533,538,311,875.74/651,192.60
  6. Step 6: Final answer
    x = 819,324.90

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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.