Home / 947,337.63-1,307,310.51-517,608.54

Finding the Fourth Proportional to 947,337.63, 1,307,310.51 and 517,608.54

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Solution

The fourth proportional to 947,337.63, 1,307,310.51 and 517,608.54 is: 714,291.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,337.63 : 1,307,310.51 = 517,608.54 : x
  2. Step 2: Convert to fraction form
    947,337.63/1,307,310.51 = 517,608.54/x
  3. Step 3: Cross multiply
    947,337.63x = 1,307,310.51 × 517,608.54
  4. Step 4: Simplify right side
    947,337.63x = 676,675,084,407.76
  5. Step 5: Solve for x
    x = 676,675,084,407.76/947,337.63
  6. Step 6: Final answer
    x = 714,291.36

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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.