Home / 598,785.40-896,865.90-520,053.40

Finding the Fourth Proportional to 598,785.40, 896,865.90 and 520,053.40

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Solution

The fourth proportional to 598,785.40, 896,865.90 and 520,053.40 is: 778,940.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,785.40 : 896,865.90 = 520,053.40 : x
  2. Step 2: Convert to fraction form
    598,785.40/896,865.90 = 520,053.40/x
  3. Step 3: Cross multiply
    598,785.40x = 896,865.90 × 520,053.40
  4. Step 4: Simplify right side
    598,785.40x = 466,418,160,639.06
  5. Step 5: Solve for x
    x = 466,418,160,639.06/598,785.40
  6. Step 6: Final answer
    x = 778,940.44

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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.