Home / 616,916.59-851,339.06-344,981.36

Finding the Fourth Proportional to 616,916.59, 851,339.06 and 344,981.36

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Solution

The fourth proportional to 616,916.59, 851,339.06 and 344,981.36 is: 476,071.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,916.59 : 851,339.06 = 344,981.36 : x
  2. Step 2: Convert to fraction form
    616,916.59/851,339.06 = 344,981.36/x
  3. Step 3: Cross multiply
    616,916.59x = 851,339.06 × 344,981.36
  4. Step 4: Simplify right side
    616,916.59x = 293,696,108,437.04
  5. Step 5: Solve for x
    x = 293,696,108,437.04/616,916.59
  6. Step 6: Final answer
    x = 476,071.02

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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.