Home / 916,494.49-1,264,776.16-508,622.76

Finding the Fourth Proportional to 916,494.49, 1,264,776.16 and 508,622.76

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Solution

The fourth proportional to 916,494.49, 1,264,776.16 and 508,622.76 is: 701,907.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,494.49 : 1,264,776.16 = 508,622.76 : x
  2. Step 2: Convert to fraction form
    916,494.49/1,264,776.16 = 508,622.76/x
  3. Step 3: Cross multiply
    916,494.49x = 1,264,776.16 × 508,622.76
  4. Step 4: Simplify right side
    916,494.49x = 643,293,935,266.93
  5. Step 5: Solve for x
    x = 643,293,935,266.93/916,494.49
  6. Step 6: Final answer
    x = 701,907.04

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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.