Home / 526,727.61-727,386.17-498,036.33

Finding the Fourth Proportional to 526,727.61, 727,386.17 and 498,036.33

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Solution

The fourth proportional to 526,727.61, 727,386.17 and 498,036.33 is: 687,764.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,727.61 : 727,386.17 = 498,036.33 : x
  2. Step 2: Convert to fraction form
    526,727.61/727,386.17 = 498,036.33/x
  3. Step 3: Cross multiply
    526,727.61x = 727,386.17 × 498,036.33
  4. Step 4: Simplify right side
    526,727.61x = 362,264,736,109.37
  5. Step 5: Solve for x
    x = 362,264,736,109.37/526,727.61
  6. Step 6: Final answer
    x = 687,764.85

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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.