Home / 1,260,702.70-1,891,070.76-396,109.54

Finding the Fourth Proportional to 1,260,702.70, 1,891,070.76 and 396,109.54

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Solution

The fourth proportional to 1,260,702.70, 1,891,070.76 and 396,109.54 is: 594,169.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,702.70 : 1,891,070.76 = 396,109.54 : x
  2. Step 2: Convert to fraction form
    1,260,702.70/1,891,070.76 = 396,109.54/x
  3. Step 3: Cross multiply
    1,260,702.70x = 1,891,070.76 × 396,109.54
  4. Step 4: Simplify right side
    1,260,702.70x = 749,071,168,851.05
  5. Step 5: Solve for x
    x = 749,071,168,851.05/1,260,702.70
  6. Step 6: Final answer
    x = 594,169.56

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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.