Home / 840,328.92-1,159,653.66-458,355.48

Finding the Fourth Proportional to 840,328.92, 1,159,653.66 and 458,355.48

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Solution

The fourth proportional to 840,328.92, 1,159,653.66 and 458,355.48 is: 632,530.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,328.92 : 1,159,653.66 = 458,355.48 : x
  2. Step 2: Convert to fraction form
    840,328.92/1,159,653.66 = 458,355.48/x
  3. Step 3: Cross multiply
    840,328.92x = 1,159,653.66 × 458,355.48
  4. Step 4: Simplify right side
    840,328.92x = 531,533,609,963.06
  5. Step 5: Solve for x
    x = 531,533,609,963.06/840,328.92
  6. Step 6: Final answer
    x = 632,530.43

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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.