Home / 916,703.53-1,264,948.27-508,822.56

Finding the Fourth Proportional to 916,703.53, 1,264,948.27 and 508,822.56

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Solution

The fourth proportional to 916,703.53, 1,264,948.27 and 508,822.56 is: 702,118.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,703.53 : 1,264,948.27 = 508,822.56 : x
  2. Step 2: Convert to fraction form
    916,703.53/1,264,948.27 = 508,822.56/x
  3. Step 3: Cross multiply
    916,703.53x = 1,264,948.27 × 508,822.56
  4. Step 4: Simplify right side
    916,703.53x = 643,634,217,167.98
  5. Step 5: Solve for x
    x = 643,634,217,167.98/916,703.53
  6. Step 6: Final answer
    x = 702,118.19

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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.