Home / 698,697.30-1,048,045.95-249,633.30

Finding the Fourth Proportional to 698,697.30, 1,048,045.95 and 249,633.30

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Solution

The fourth proportional to 698,697.30, 1,048,045.95 and 249,633.30 is: 374,449.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,697.30 : 1,048,045.95 = 249,633.30 : x
  2. Step 2: Convert to fraction form
    698,697.30/1,048,045.95 = 249,633.30/x
  3. Step 3: Cross multiply
    698,697.30x = 1,048,045.95 × 249,633.30
  4. Step 4: Simplify right side
    698,697.30x = 261,627,169,050.14
  5. Step 5: Solve for x
    x = 261,627,169,050.14/698,697.30
  6. Step 6: Final answer
    x = 374,449.95

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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.