Home / 583,726.32-869,786.52-520,057.08

Finding the Fourth Proportional to 583,726.32, 869,786.52 and 520,057.08

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Solution

The fourth proportional to 583,726.32, 869,786.52 and 520,057.08 is: 774,915.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,726.32 : 869,786.52 = 520,057.08 : x
  2. Step 2: Convert to fraction form
    583,726.32/869,786.52 = 520,057.08/x
  3. Step 3: Cross multiply
    583,726.32x = 869,786.52 × 520,057.08
  4. Step 4: Simplify right side
    583,726.32x = 452,338,637,814.56
  5. Step 5: Solve for x
    x = 452,338,637,814.56/583,726.32
  6. Step 6: Final answer
    x = 774,915.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.