Home / 869,657.76-1,200,189.24-482,597.16

Finding the Fourth Proportional to 869,657.76, 1,200,189.24 and 482,597.16

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Solution

The fourth proportional to 869,657.76, 1,200,189.24 and 482,597.16 is: 666,018.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,657.76 : 1,200,189.24 = 482,597.16 : x
  2. Step 2: Convert to fraction form
    869,657.76/1,200,189.24 = 482,597.16/x
  3. Step 3: Cross multiply
    869,657.76x = 1,200,189.24 × 482,597.16
  4. Step 4: Simplify right side
    869,657.76x = 579,207,918,686.56
  5. Step 5: Solve for x
    x = 579,207,918,686.56/869,657.76
  6. Step 6: Final answer
    x = 666,018.23

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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.