Home / 1,525,490.78-2,105,024.00-913,627.87

Finding the Fourth Proportional to 1,525,490.78, 2,105,024.00 and 913,627.87

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Solution

The fourth proportional to 1,525,490.78, 2,105,024.00 and 913,627.87 is: 1,260,714.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,490.78 : 2,105,024.00 = 913,627.87 : x
  2. Step 2: Convert to fraction form
    1,525,490.78/2,105,024.00 = 913,627.87/x
  3. Step 3: Cross multiply
    1,525,490.78x = 2,105,024.00 × 913,627.87
  4. Step 4: Simplify right side
    1,525,490.78x = 1,923,208,583,588.18
  5. Step 5: Solve for x
    x = 1,923,208,583,588.18/1,525,490.78
  6. Step 6: Final answer
    x = 1,260,714.66

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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.