Home / 554,935.80-832,403.70-289,215.30

Finding the Fourth Proportional to 554,935.80, 832,403.70 and 289,215.30

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Solution

The fourth proportional to 554,935.80, 832,403.70 and 289,215.30 is: 433,822.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,935.80 : 832,403.70 = 289,215.30 : x
  2. Step 2: Convert to fraction form
    554,935.80/832,403.70 = 289,215.30/x
  3. Step 3: Cross multiply
    554,935.80x = 832,403.70 × 289,215.30
  4. Step 4: Simplify right side
    554,935.80x = 240,743,885,816.61
  5. Step 5: Solve for x
    x = 240,743,885,816.61/554,935.80
  6. Step 6: Final answer
    x = 433,822.95

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1.5x scale

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.