Home / 1,150,280.40-1,725,404.40-519,193.20

Finding the Fourth Proportional to 1,150,280.40, 1,725,404.40 and 519,193.20

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Solution

The fourth proportional to 1,150,280.40, 1,725,404.40 and 519,193.20 is: 778,782.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,280.40 : 1,725,404.40 = 519,193.20 : x
  2. Step 2: Convert to fraction form
    1,150,280.40/1,725,404.40 = 519,193.20/x
  3. Step 3: Cross multiply
    1,150,280.40x = 1,725,404.40 × 519,193.20
  4. Step 4: Simplify right side
    1,150,280.40x = 895,818,231,730.08
  5. Step 5: Solve for x
    x = 895,818,231,730.08/1,150,280.40
  6. Step 6: Final answer
    x = 778,782.49

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Double scale
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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.