Home / 651,844.60-977,766.90-231,065.80

Finding the Fourth Proportional to 651,844.60, 977,766.90 and 231,065.80

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Solution

The fourth proportional to 651,844.60, 977,766.90 and 231,065.80 is: 346,598.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,844.60 : 977,766.90 = 231,065.80 : x
  2. Step 2: Convert to fraction form
    651,844.60/977,766.90 = 231,065.80/x
  3. Step 3: Cross multiply
    651,844.60x = 977,766.90 × 231,065.80
  4. Step 4: Simplify right side
    651,844.60x = 225,928,490,962.02
  5. Step 5: Solve for x
    x = 225,928,490,962.02/651,844.60
  6. Step 6: Final answer
    x = 346,598.70

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Half scale
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Double scale
Find fourth proportional to 651,845.60, 977,768.40 and 231,066.80
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.