Home / 947,160.96-1,307,086.74-517,448.27

Finding the Fourth Proportional to 947,160.96, 1,307,086.74 and 517,448.27

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Solution

The fourth proportional to 947,160.96, 1,307,086.74 and 517,448.27 is: 714,081.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,160.96 : 1,307,086.74 = 517,448.27 : x
  2. Step 2: Convert to fraction form
    947,160.96/1,307,086.74 = 517,448.27/x
  3. Step 3: Cross multiply
    947,160.96x = 1,307,086.74 × 517,448.27
  4. Step 4: Simplify right side
    947,160.96x = 676,349,765,817.51
  5. Step 5: Solve for x
    x = 676,349,765,817.51/947,160.96
  6. Step 6: Final answer
    x = 714,081.13

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Double scale
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Similar ratio
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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.