Home / 528,545.35-729,393.04-286,827.92

Finding the Fourth Proportional to 528,545.35, 729,393.04 and 286,827.92

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Solution

The fourth proportional to 528,545.35, 729,393.04 and 286,827.92 is: 395,822.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,545.35 : 729,393.04 = 286,827.92 : x
  2. Step 2: Convert to fraction form
    528,545.35/729,393.04 = 286,827.92/x
  3. Step 3: Cross multiply
    528,545.35x = 729,393.04 × 286,827.92
  4. Step 4: Simplify right side
    528,545.35x = 209,210,288,525.68
  5. Step 5: Solve for x
    x = 209,210,288,525.68/528,545.35
  6. Step 6: Final answer
    x = 395,822.78

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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.