Home / 764,987.40-1,144,856.70-702,001.80

Finding the Fourth Proportional to 764,987.40, 1,144,856.70 and 702,001.80

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Solution

The fourth proportional to 764,987.40, 1,144,856.70 and 702,001.80 is: 1,050,594.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,987.40 : 1,144,856.70 = 702,001.80 : x
  2. Step 2: Convert to fraction form
    764,987.40/1,144,856.70 = 702,001.80/x
  3. Step 3: Cross multiply
    764,987.40x = 1,144,856.70 × 702,001.80
  4. Step 4: Simplify right side
    764,987.40x = 803,691,464,142.06
  5. Step 5: Solve for x
    x = 803,691,464,142.06/764,987.40
  6. Step 6: Final answer
    x = 1,050,594.38

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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.