Home / 857,543.33-1,183,380.02-475,605.65

Finding the Fourth Proportional to 857,543.33, 1,183,380.02 and 475,605.65

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Solution

The fourth proportional to 857,543.33, 1,183,380.02 and 475,605.65 is: 656,319.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,543.33 : 1,183,380.02 = 475,605.65 : x
  2. Step 2: Convert to fraction form
    857,543.33/1,183,380.02 = 475,605.65/x
  3. Step 3: Cross multiply
    857,543.33x = 1,183,380.02 × 475,605.65
  4. Step 4: Simplify right side
    857,543.33x = 562,822,223,609.11
  5. Step 5: Solve for x
    x = 562,822,223,609.11/857,543.33
  6. Step 6: Final answer
    x = 656,319.28

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Double scale
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1.5x scale

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.