Home / 1,448,701.90-2,172,955.65-383,721.10

Finding the Fourth Proportional to 1,448,701.90, 2,172,955.65 and 383,721.10

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Solution

The fourth proportional to 1,448,701.90, 2,172,955.65 and 383,721.10 is: 575,555.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,701.90 : 2,172,955.65 = 383,721.10 : x
  2. Step 2: Convert to fraction form
    1,448,701.90/2,172,955.65 = 383,721.10/x
  3. Step 3: Cross multiply
    1,448,701.90x = 2,172,955.65 × 383,721.10
  4. Step 4: Simplify right side
    1,448,701.90x = 833,808,932,269.22
  5. Step 5: Solve for x
    x = 833,808,932,269.22/1,448,701.90
  6. Step 6: Final answer
    x = 575,555.90

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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.