Home / 893,497.72-1,233,036.40-485,599.54

Finding the Fourth Proportional to 893,497.72, 1,233,036.40 and 485,599.54

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Solution

The fourth proportional to 893,497.72, 1,233,036.40 and 485,599.54 is: 670,132.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,497.72 : 1,233,036.40 = 485,599.54 : x
  2. Step 2: Convert to fraction form
    893,497.72/1,233,036.40 = 485,599.54/x
  3. Step 3: Cross multiply
    893,497.72x = 1,233,036.40 × 485,599.54
  4. Step 4: Simplify right side
    893,497.72x = 598,761,908,643.26
  5. Step 5: Solve for x
    x = 598,761,908,643.26/893,497.72
  6. Step 6: Final answer
    x = 670,132.55

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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.