Home / 740,095.75-1,021,335.26-400,564

Finding the Fourth Proportional to 740,095.75, 1,021,335.26 and 400,564

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Solution

The fourth proportional to 740,095.75, 1,021,335.26 and 400,564 is: 552,780.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,095.75 : 1,021,335.26 = 400,564 : x
  2. Step 2: Convert to fraction form
    740,095.75/1,021,335.26 = 400,564/x
  3. Step 3: Cross multiply
    740,095.75x = 1,021,335.26 × 400,564
  4. Step 4: Simplify right side
    740,095.75x = 409,110,137,086.64
  5. Step 5: Solve for x
    x = 409,110,137,086.64/740,095.75
  6. Step 6: Final answer
    x = 552,780.01

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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.