Home / 1,015,147.76-1,400,903.71-607,266.79

Finding the Fourth Proportional to 1,015,147.76, 1,400,903.71 and 607,266.79

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Solution

The fourth proportional to 1,015,147.76, 1,400,903.71 and 607,266.79 is: 838,028.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,147.76 : 1,400,903.71 = 607,266.79 : x
  2. Step 2: Convert to fraction form
    1,015,147.76/1,400,903.71 = 607,266.79/x
  3. Step 3: Cross multiply
    1,015,147.76x = 1,400,903.71 × 607,266.79
  4. Step 4: Simplify right side
    1,015,147.76x = 850,722,299,070.79
  5. Step 5: Solve for x
    x = 850,722,299,070.79/1,015,147.76
  6. Step 6: Final answer
    x = 838,028.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.