Home / 925,990.77-1,277,916.75-518,068.19

Finding the Fourth Proportional to 925,990.77, 1,277,916.75 and 518,068.19

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Solution

The fourth proportional to 925,990.77, 1,277,916.75 and 518,068.19 is: 714,961.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,990.77 : 1,277,916.75 = 518,068.19 : x
  2. Step 2: Convert to fraction form
    925,990.77/1,277,916.75 = 518,068.19/x
  3. Step 3: Cross multiply
    925,990.77x = 1,277,916.75 × 518,068.19
  4. Step 4: Simplify right side
    925,990.77x = 662,048,011,253.60
  5. Step 5: Solve for x
    x = 662,048,011,253.60/925,990.77
  6. Step 6: Final answer
    x = 714,961.78

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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.