Home / 947,134.06-1,307,064.27-517,442.02

Finding the Fourth Proportional to 947,134.06, 1,307,064.27 and 517,442.02

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Solution

The fourth proportional to 947,134.06, 1,307,064.27 and 517,442.02 is: 714,080.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,134.06 : 1,307,064.27 = 517,442.02 : x
  2. Step 2: Convert to fraction form
    947,134.06/1,307,064.27 = 517,442.02/x
  3. Step 3: Cross multiply
    947,134.06x = 1,307,064.27 × 517,442.02
  4. Step 4: Simplify right side
    947,134.06x = 676,329,976,138.63
  5. Step 5: Solve for x
    x = 676,329,976,138.63/947,134.06
  6. Step 6: Final answer
    x = 714,080.51

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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.