Home / 947,135.06-1,307,065.65-517,443.02

Finding the Fourth Proportional to 947,135.06, 1,307,065.65 and 517,443.02

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Solution

The fourth proportional to 947,135.06, 1,307,065.65 and 517,443.02 is: 714,081.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,135.06 : 1,307,065.65 = 517,443.02 : x
  2. Step 2: Convert to fraction form
    947,135.06/1,307,065.65 = 517,443.02/x
  3. Step 3: Cross multiply
    947,135.06x = 1,307,065.65 × 517,443.02
  4. Step 4: Simplify right side
    947,135.06x = 676,331,997,274.26
  5. Step 5: Solve for x
    x = 676,331,997,274.26/947,135.06
  6. Step 6: Final answer
    x = 714,081.89

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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.