Home / 1,411,031.83-1,947,260.15-766,488.91

Finding the Fourth Proportional to 1,411,031.83, 1,947,260.15 and 766,488.91

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Solution

The fourth proportional to 1,411,031.83, 1,947,260.15 and 766,488.91 is: 1,057,774.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,031.83 : 1,947,260.15 = 766,488.91 : x
  2. Step 2: Convert to fraction form
    1,411,031.83/1,947,260.15 = 766,488.91/x
  3. Step 3: Cross multiply
    1,411,031.83x = 1,947,260.15 × 766,488.91
  4. Step 4: Simplify right side
    1,411,031.83x = 1,492,553,306,467.75
  5. Step 5: Solve for x
    x = 1,492,553,306,467.75/1,411,031.83
  6. Step 6: Final answer
    x = 1,057,774.37

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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.