Home / 518,564.18-777,846.09-124,580.18

Finding the Fourth Proportional to 518,564.18, 777,846.09 and 124,580.18

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Solution

The fourth proportional to 518,564.18, 777,846.09 and 124,580.18 is: 186,870.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,564.18 : 777,846.09 = 124,580.18 : x
  2. Step 2: Convert to fraction form
    518,564.18/777,846.09 = 124,580.18/x
  3. Step 3: Cross multiply
    518,564.18x = 777,846.09 × 124,580.18
  4. Step 4: Simplify right side
    518,564.18x = 96,904,205,904.50
  5. Step 5: Solve for x
    x = 96,904,205,904.50/518,564.18
  6. Step 6: Final answer
    x = 186,870.23

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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.