Home / 913,176.36-1,260,072.96-526,118.40

Finding the Fourth Proportional to 913,176.36, 1,260,072.96 and 526,118.40

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Solution

The fourth proportional to 913,176.36, 1,260,072.96 and 526,118.40 is: 725,979.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,176.36 : 1,260,072.96 = 526,118.40 : x
  2. Step 2: Convert to fraction form
    913,176.36/1,260,072.96 = 526,118.40/x
  3. Step 3: Cross multiply
    913,176.36x = 1,260,072.96 × 526,118.40
  4. Step 4: Simplify right side
    913,176.36x = 662,947,569,598.46
  5. Step 5: Solve for x
    x = 662,947,569,598.46/913,176.36
  6. Step 6: Final answer
    x = 725,979.78

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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.