Home / 1,407,210.23-1,942,158.57-891,012.11

Finding the Fourth Proportional to 1,407,210.23, 1,942,158.57 and 891,012.11

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Solution

The fourth proportional to 1,407,210.23, 1,942,158.57 and 891,012.11 is: 1,229,728.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,210.23 : 1,942,158.57 = 891,012.11 : x
  2. Step 2: Convert to fraction form
    1,407,210.23/1,942,158.57 = 891,012.11/x
  3. Step 3: Cross multiply
    1,407,210.23x = 1,942,158.57 × 891,012.11
  4. Step 4: Simplify right side
    1,407,210.23x = 1,730,486,805,410.28
  5. Step 5: Solve for x
    x = 1,730,486,805,410.28/1,407,210.23
  6. Step 6: Final answer
    x = 1,229,728.70

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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.