Home / 916,690.41-1,265,023.24-508,795.81

Finding the Fourth Proportional to 916,690.41, 1,265,023.24 and 508,795.81

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Solution

The fourth proportional to 916,690.41, 1,265,023.24 and 508,795.81 is: 702,132.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,690.41 : 1,265,023.24 = 508,795.81 : x
  2. Step 2: Convert to fraction form
    916,690.41/1,265,023.24 = 508,795.81/x
  3. Step 3: Cross multiply
    916,690.41x = 1,265,023.24 × 508,795.81
  4. Step 4: Simplify right side
    916,690.41x = 643,638,519,630.08
  5. Step 5: Solve for x
    x = 643,638,519,630.08/916,690.41
  6. Step 6: Final answer
    x = 702,132.93

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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.