Home / 651,211.60-976,817.40-546,235.60

Finding the Fourth Proportional to 651,211.60, 976,817.40 and 546,235.60

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Solution

The fourth proportional to 651,211.60, 976,817.40 and 546,235.60 is: 819,353.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,211.60 : 976,817.40 = 546,235.60 : x
  2. Step 2: Convert to fraction form
    651,211.60/976,817.40 = 546,235.60/x
  3. Step 3: Cross multiply
    651,211.60x = 976,817.40 × 546,235.60
  4. Step 4: Simplify right side
    651,211.60x = 533,572,438,579.44
  5. Step 5: Solve for x
    x = 533,572,438,579.44/651,211.60
  6. Step 6: Final answer
    x = 819,353.40

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Half scale
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Double scale
Find fourth proportional to 651,212.60, 976,818.90 and 546,236.60
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.