Home / 819,593.34-1,131,113.43-497,385.42

Finding the Fourth Proportional to 819,593.34, 1,131,113.43 and 497,385.42

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Solution

The fourth proportional to 819,593.34, 1,131,113.43 and 497,385.42 is: 686,437.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,593.34 : 1,131,113.43 = 497,385.42 : x
  2. Step 2: Convert to fraction form
    819,593.34/1,131,113.43 = 497,385.42/x
  3. Step 3: Cross multiply
    819,593.34x = 1,131,113.43 × 497,385.42
  4. Step 4: Simplify right side
    819,593.34x = 562,599,328,448.19
  5. Step 5: Solve for x
    x = 562,599,328,448.19/819,593.34
  6. Step 6: Final answer
    x = 686,437.16

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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.