Home / 1,190,138.40-1,642,389.12-653,594.40

Finding the Fourth Proportional to 1,190,138.40, 1,642,389.12 and 653,594.40

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Solution

The fourth proportional to 1,190,138.40, 1,642,389.12 and 653,594.40 is: 901,959.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,138.40 : 1,642,389.12 = 653,594.40 : x
  2. Step 2: Convert to fraction form
    1,190,138.40/1,642,389.12 = 653,594.40/x
  3. Step 3: Cross multiply
    1,190,138.40x = 1,642,389.12 × 653,594.40
  4. Step 4: Simplify right side
    1,190,138.40x = 1,073,456,331,452.93
  5. Step 5: Solve for x
    x = 1,073,456,331,452.93/1,190,138.40
  6. Step 6: Final answer
    x = 901,959.24

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Double scale
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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.