Home / 1,590,691.56-2,195,206.18-911,756.20

Finding the Fourth Proportional to 1,590,691.56, 2,195,206.18 and 911,756.20

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Solution

The fourth proportional to 1,590,691.56, 2,195,206.18 and 911,756.20 is: 1,258,253.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,691.56 : 2,195,206.18 = 911,756.20 : x
  2. Step 2: Convert to fraction form
    1,590,691.56/2,195,206.18 = 911,756.20/x
  3. Step 3: Cross multiply
    1,590,691.56x = 2,195,206.18 × 911,756.20
  4. Step 4: Simplify right side
    1,590,691.56x = 2,001,492,844,893.32
  5. Step 5: Solve for x
    x = 2,001,492,844,893.32/1,590,691.56
  6. Step 6: Final answer
    x = 1,258,253.26

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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.