Home / 690,222.06-952,359.53-403,686.18

Finding the Fourth Proportional to 690,222.06, 952,359.53 and 403,686.18

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Solution

The fourth proportional to 690,222.06, 952,359.53 and 403,686.18 is: 557,001.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,222.06 : 952,359.53 = 403,686.18 : x
  2. Step 2: Convert to fraction form
    690,222.06/952,359.53 = 403,686.18/x
  3. Step 3: Cross multiply
    690,222.06x = 952,359.53 × 403,686.18
  4. Step 4: Simplify right side
    690,222.06x = 384,454,378,633.87
  5. Step 5: Solve for x
    x = 384,454,378,633.87/690,222.06
  6. Step 6: Final answer
    x = 557,001.00

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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.