Home / 913,802.06-1,370,259.02-458,197.56

Finding the Fourth Proportional to 913,802.06, 1,370,259.02 and 458,197.56

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Solution

The fourth proportional to 913,802.06, 1,370,259.02 and 458,197.56 is: 687,073.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,802.06 : 1,370,259.02 = 458,197.56 : x
  2. Step 2: Convert to fraction form
    913,802.06/1,370,259.02 = 458,197.56/x
  3. Step 3: Cross multiply
    913,802.06x = 1,370,259.02 × 458,197.56
  4. Step 4: Simplify right side
    913,802.06x = 627,849,337,241.00
  5. Step 5: Solve for x
    x = 627,849,337,241.00/913,802.06
  6. Step 6: Final answer
    x = 687,073.68

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.