Home / 1,025,085.60-1,537,628.40-521,200.80

Finding the Fourth Proportional to 1,025,085.60, 1,537,628.40 and 521,200.80

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Solution

The fourth proportional to 1,025,085.60, 1,537,628.40 and 521,200.80 is: 781,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,085.60 : 1,537,628.40 = 521,200.80 : x
  2. Step 2: Convert to fraction form
    1,025,085.60/1,537,628.40 = 521,200.80/x
  3. Step 3: Cross multiply
    1,025,085.60x = 1,537,628.40 × 521,200.80
  4. Step 4: Simplify right side
    1,025,085.60x = 801,413,152,182.72
  5. Step 5: Solve for x
    x = 801,413,152,182.72/1,025,085.60
  6. Step 6: Final answer
    x = 781,801.20

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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.