Home / 1,140,959.61-1,574,521.56-657,520.56

Finding the Fourth Proportional to 1,140,959.61, 1,574,521.56 and 657,520.56

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Solution

The fourth proportional to 1,140,959.61, 1,574,521.56 and 657,520.56 is: 907,376.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,959.61 : 1,574,521.56 = 657,520.56 : x
  2. Step 2: Convert to fraction form
    1,140,959.61/1,574,521.56 = 657,520.56/x
  3. Step 3: Cross multiply
    1,140,959.61x = 1,574,521.56 × 657,520.56
  4. Step 4: Simplify right side
    1,140,959.61x = 1,035,280,297,863.27
  5. Step 5: Solve for x
    x = 1,035,280,297,863.27/1,140,959.61
  6. Step 6: Final answer
    x = 907,376.82

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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.