Home / 1,015,710.09-1,400,712.93-607,747.11

Finding the Fourth Proportional to 1,015,710.09, 1,400,712.93 and 607,747.11

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Solution

The fourth proportional to 1,015,710.09, 1,400,712.93 and 607,747.11 is: 838,112.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,710.09 : 1,400,712.93 = 607,747.11 : x
  2. Step 2: Convert to fraction form
    1,015,710.09/1,400,712.93 = 607,747.11/x
  3. Step 3: Cross multiply
    1,015,710.09x = 1,400,712.93 × 607,747.11
  4. Step 4: Simplify right side
    1,015,710.09x = 851,279,235,147.13
  5. Step 5: Solve for x
    x = 851,279,235,147.13/1,015,710.09
  6. Step 6: Final answer
    x = 838,112.41

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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.