Home / 1,653,490.12-2,281,640.10-928,417

Finding the Fourth Proportional to 1,653,490.12, 2,281,640.10 and 928,417

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Solution

The fourth proportional to 1,653,490.12, 2,281,640.10 and 928,417 is: 1,281,116.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653,490.12 : 2,281,640.10 = 928,417 : x
  2. Step 2: Convert to fraction form
    1,653,490.12/2,281,640.10 = 928,417/x
  3. Step 3: Cross multiply
    1,653,490.12x = 2,281,640.10 × 928,417
  4. Step 4: Simplify right side
    1,653,490.12x = 2,118,313,456,721.70
  5. Step 5: Solve for x
    x = 2,118,313,456,721.70/1,653,490.12
  6. Step 6: Final answer
    x = 1,281,116.49

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1.5x scale

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.