Home / 830,569.78-1,146,197.01-491,035.06

Finding the Fourth Proportional to 830,569.78, 1,146,197.01 and 491,035.06

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Solution

The fourth proportional to 830,569.78, 1,146,197.01 and 491,035.06 is: 677,634.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,569.78 : 1,146,197.01 = 491,035.06 : x
  2. Step 2: Convert to fraction form
    830,569.78/1,146,197.01 = 491,035.06/x
  3. Step 3: Cross multiply
    830,569.78x = 1,146,197.01 × 491,035.06
  4. Step 4: Simplify right side
    830,569.78x = 562,822,917,577.17
  5. Step 5: Solve for x
    x = 562,822,917,577.17/830,569.78
  6. Step 6: Final answer
    x = 677,634.72

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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.