Home / 898,820.66-1,240,210.77-536,109.14

Finding the Fourth Proportional to 898,820.66, 1,240,210.77 and 536,109.14

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Solution

The fourth proportional to 898,820.66, 1,240,210.77 and 536,109.14 is: 739,734.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,820.66 : 1,240,210.77 = 536,109.14 : x
  2. Step 2: Convert to fraction form
    898,820.66/1,240,210.77 = 536,109.14/x
  3. Step 3: Cross multiply
    898,820.66x = 1,240,210.77 × 536,109.14
  4. Step 4: Simplify right side
    898,820.66x = 664,888,329,323.44
  5. Step 5: Solve for x
    x = 664,888,329,323.44/898,820.66
  6. Step 6: Final answer
    x = 739,734.14

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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.