Home / 651,834.30-977,751.45-628,214.70

Finding the Fourth Proportional to 651,834.30, 977,751.45 and 628,214.70

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Solution

The fourth proportional to 651,834.30, 977,751.45 and 628,214.70 is: 942,322.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,834.30 : 977,751.45 = 628,214.70 : x
  2. Step 2: Convert to fraction form
    651,834.30/977,751.45 = 628,214.70/x
  3. Step 3: Cross multiply
    651,834.30x = 977,751.45 × 628,214.70
  4. Step 4: Simplify right side
    651,834.30x = 614,237,833,836.32
  5. Step 5: Solve for x
    x = 614,237,833,836.32/651,834.30
  6. Step 6: Final answer
    x = 942,322.05

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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.