Home / 840,308.36-1,159,639.36-458,335.16

Finding the Fourth Proportional to 840,308.36, 1,159,639.36 and 458,335.16

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Solution

The fourth proportional to 840,308.36, 1,159,639.36 and 458,335.16 is: 632,510.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,308.36 : 1,159,639.36 = 458,335.16 : x
  2. Step 2: Convert to fraction form
    840,308.36/1,159,639.36 = 458,335.16/x
  3. Step 3: Cross multiply
    840,308.36x = 1,159,639.36 × 458,335.16
  4. Step 4: Simplify right side
    840,308.36x = 531,503,491,607.90
  5. Step 5: Solve for x
    x = 531,503,491,607.90/840,308.36
  6. Step 6: Final answer
    x = 632,510.06

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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.