Home / 1,575,140.20-2,358,563.10-1,152,125.80

Finding the Fourth Proportional to 1,575,140.20, 2,358,563.10 and 1,152,125.80

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Solution

The fourth proportional to 1,575,140.20, 2,358,563.10 and 1,152,125.80 is: 1,725,155.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575,140.20 : 2,358,563.10 = 1,152,125.80 : x
  2. Step 2: Convert to fraction form
    1,575,140.20/2,358,563.10 = 1,152,125.80/x
  3. Step 3: Cross multiply
    1,575,140.20x = 2,358,563.10 × 1,152,125.80
  4. Step 4: Simplify right side
    1,575,140.20x = 2,717,361,398,437.98
  5. Step 5: Solve for x
    x = 2,717,361,398,437.98/1,575,140.20
  6. Step 6: Final answer
    x = 1,725,155.26

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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.