Home / 418,439.97-569,721.99-417,111.37

Finding the Fourth Proportional to 418,439.97, 569,721.99 and 417,111.37

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Solution

The fourth proportional to 418,439.97, 569,721.99 and 417,111.37 is: 567,913.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,439.97 : 569,721.99 = 417,111.37 : x
  2. Step 2: Convert to fraction form
    418,439.97/569,721.99 = 417,111.37/x
  3. Step 3: Cross multiply
    418,439.97x = 569,721.99 × 417,111.37
  4. Step 4: Simplify right side
    418,439.97x = 237,637,518,920.74
  5. Step 5: Solve for x
    x = 237,637,518,920.74/418,439.97
  6. Step 6: Final answer
    x = 567,913.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.