Home / 1,584,500-2,186,613.60-905,434.88

Finding the Fourth Proportional to 1,584,500, 2,186,613.60 and 905,434.88

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Solution

The fourth proportional to 1,584,500, 2,186,613.60 and 905,434.88 is: 1,249,502.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584,500 : 2,186,613.60 = 905,434.88 : x
  2. Step 2: Convert to fraction form
    1,584,500/2,186,613.60 = 905,434.88/x
  3. Step 3: Cross multiply
    1,584,500x = 2,186,613.60 × 905,434.88
  4. Step 4: Simplify right side
    1,584,500x = 1,979,836,222,522.37
  5. Step 5: Solve for x
    x = 1,979,836,222,522.37/1,584,500
  6. Step 6: Final answer
    x = 1,249,502.19

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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.