Home / 940,613.88-1,298,056.68-510,902.40

Finding the Fourth Proportional to 940,613.88, 1,298,056.68 and 510,902.40

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Solution

The fourth proportional to 940,613.88, 1,298,056.68 and 510,902.40 is: 705,050.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,613.88 : 1,298,056.68 = 510,902.40 : x
  2. Step 2: Convert to fraction form
    940,613.88/1,298,056.68 = 510,902.40/x
  3. Step 3: Cross multiply
    940,613.88x = 1,298,056.68 × 510,902.40
  4. Step 4: Simplify right side
    940,613.88x = 663,180,273,148.03
  5. Step 5: Solve for x
    x = 663,180,273,148.03/940,613.88
  6. Step 6: Final answer
    x = 705,050.49

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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.