Home / 528,544.35-729,391.66-286,826.92

Finding the Fourth Proportional to 528,544.35, 729,391.66 and 286,826.92

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Solution

The fourth proportional to 528,544.35, 729,391.66 and 286,826.92 is: 395,821.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,544.35 : 729,391.66 = 286,826.92 : x
  2. Step 2: Convert to fraction form
    528,544.35/729,391.66 = 286,826.92/x
  3. Step 3: Cross multiply
    528,544.35x = 729,391.66 × 286,826.92
  4. Step 4: Simplify right side
    528,544.35x = 209,209,160,381.60
  5. Step 5: Solve for x
    x = 209,209,160,381.60/528,544.35
  6. Step 6: Final answer
    x = 395,821.40

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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.