Home / 528,360.12-791,929.74-243,455.04

Finding the Fourth Proportional to 528,360.12, 791,929.74 and 243,455.04

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Solution

The fourth proportional to 528,360.12, 791,929.74 and 243,455.04 is: 364,901.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,360.12 : 791,929.74 = 243,455.04 : x
  2. Step 2: Convert to fraction form
    528,360.12/791,929.74 = 243,455.04/x
  3. Step 3: Cross multiply
    528,360.12x = 791,929.74 × 243,455.04
  4. Step 4: Simplify right side
    528,360.12x = 192,799,286,528.89
  5. Step 5: Solve for x
    x = 192,799,286,528.89/528,360.12
  6. Step 6: Final answer
    x = 364,901.28

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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.