Home / 947,317.56-1,307,259.76-517,612.56

Finding the Fourth Proportional to 947,317.56, 1,307,259.76 and 517,612.56

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Solution

The fourth proportional to 947,317.56, 1,307,259.76 and 517,612.56 is: 714,284.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,317.56 : 1,307,259.76 = 517,612.56 : x
  2. Step 2: Convert to fraction form
    947,317.56/1,307,259.76 = 517,612.56/x
  3. Step 3: Cross multiply
    947,317.56x = 1,307,259.76 × 517,612.56
  4. Step 4: Simplify right side
    947,317.56x = 676,654,070,958.59
  5. Step 5: Solve for x
    x = 676,654,070,958.59/947,317.56
  6. Step 6: Final answer
    x = 714,284.31

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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.