Home / 936,490.62-1,403,511.21-375,918.78

Finding the Fourth Proportional to 936,490.62, 1,403,511.21 and 375,918.78

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Solution

The fourth proportional to 936,490.62, 1,403,511.21 and 375,918.78 is: 563,386.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,490.62 : 1,403,511.21 = 375,918.78 : x
  2. Step 2: Convert to fraction form
    936,490.62/1,403,511.21 = 375,918.78/x
  3. Step 3: Cross multiply
    936,490.62x = 1,403,511.21 × 375,918.78
  4. Step 4: Simplify right side
    936,490.62x = 527,606,221,779.52
  5. Step 5: Solve for x
    x = 527,606,221,779.52/936,490.62
  6. Step 6: Final answer
    x = 563,386.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.