Home / 937,400.09-1,293,638.70-529,519.13

Finding the Fourth Proportional to 937,400.09, 1,293,638.70 and 529,519.13

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Solution

The fourth proportional to 937,400.09, 1,293,638.70 and 529,519.13 is: 730,751.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,400.09 : 1,293,638.70 = 529,519.13 : x
  2. Step 2: Convert to fraction form
    937,400.09/1,293,638.70 = 529,519.13/x
  3. Step 3: Cross multiply
    937,400.09x = 1,293,638.70 × 529,519.13
  4. Step 4: Simplify right side
    937,400.09x = 685,006,432,490.14
  5. Step 5: Solve for x
    x = 685,006,432,490.14/937,400.09
  6. Step 6: Final answer
    x = 730,751.40

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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.