Home / 947,383.29-1,307,350.39-517,678.29

Finding the Fourth Proportional to 947,383.29, 1,307,350.39 and 517,678.29

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Solution

The fourth proportional to 947,383.29, 1,307,350.39 and 517,678.29 is: 714,374.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,383.29 : 1,307,350.39 = 517,678.29 : x
  2. Step 2: Convert to fraction form
    947,383.29/1,307,350.39 = 517,678.29/x
  3. Step 3: Cross multiply
    947,383.29x = 1,307,350.39 × 517,678.29
  4. Step 4: Simplify right side
    947,383.29x = 676,786,914,326.03
  5. Step 5: Solve for x
    x = 676,786,914,326.03/947,383.29
  6. Step 6: Final answer
    x = 714,374.98

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Double scale
Find fourth proportional to 947,384.29, 1,307,351.77 and 517,679.29
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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.