Home / 649,266.10-973,899.15-425,317.30

Finding the Fourth Proportional to 649,266.10, 973,899.15 and 425,317.30

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Solution

The fourth proportional to 649,266.10, 973,899.15 and 425,317.30 is: 637,975.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,266.10 : 973,899.15 = 425,317.30 : x
  2. Step 2: Convert to fraction form
    649,266.10/973,899.15 = 425,317.30/x
  3. Step 3: Cross multiply
    649,266.10x = 973,899.15 × 425,317.30
  4. Step 4: Simplify right side
    649,266.10x = 414,216,156,950.30
  5. Step 5: Solve for x
    x = 414,216,156,950.30/649,266.10
  6. Step 6: Final answer
    x = 637,975.95

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Half scale
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Double scale
Find fourth proportional to 649,267.10, 973,900.65 and 425,318.30
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.