Home / 687,904.40-1,031,856.60-182,464.40

Finding the Fourth Proportional to 687,904.40, 1,031,856.60 and 182,464.40

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Solution

The fourth proportional to 687,904.40, 1,031,856.60 and 182,464.40 is: 273,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,904.40 : 1,031,856.60 = 182,464.40 : x
  2. Step 2: Convert to fraction form
    687,904.40/1,031,856.60 = 182,464.40/x
  3. Step 3: Cross multiply
    687,904.40x = 1,031,856.60 × 182,464.40
  4. Step 4: Simplify right side
    687,904.40x = 188,277,095,405.04
  5. Step 5: Solve for x
    x = 188,277,095,405.04/687,904.40
  6. Step 6: Final answer
    x = 273,696.60

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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.