Home / 947,678.24-1,307,669.64-608,605.76

Finding the Fourth Proportional to 947,678.24, 1,307,669.64 and 608,605.76

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Solution

The fourth proportional to 947,678.24, 1,307,669.64 and 608,605.76 is: 839,794.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,678.24 : 1,307,669.64 = 608,605.76 : x
  2. Step 2: Convert to fraction form
    947,678.24/1,307,669.64 = 608,605.76/x
  3. Step 3: Cross multiply
    947,678.24x = 1,307,669.64 × 608,605.76
  4. Step 4: Simplify right side
    947,678.24x = 795,855,275,081.13
  5. Step 5: Solve for x
    x = 795,855,275,081.13/947,678.24
  6. Step 6: Final answer
    x = 839,794.82

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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.