Home / 651,848.10-977,772.15-412,699.65

Finding the Fourth Proportional to 651,848.10, 977,772.15 and 412,699.65

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Solution

The fourth proportional to 651,848.10, 977,772.15 and 412,699.65 is: 619,049.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,848.10 : 977,772.15 = 412,699.65 : x
  2. Step 2: Convert to fraction form
    651,848.10/977,772.15 = 412,699.65/x
  3. Step 3: Cross multiply
    651,848.10x = 977,772.15 × 412,699.65
  4. Step 4: Simplify right side
    651,848.10x = 403,526,224,084.75
  5. Step 5: Solve for x
    x = 403,526,224,084.75/651,848.10
  6. Step 6: Final answer
    x = 619,049.48

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Half scale
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Double scale
Find fourth proportional to 651,849.10, 977,773.65 and 412,700.65
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.