Home / 940,880.71-1,298,421.60-511,160.73

Finding the Fourth Proportional to 940,880.71, 1,298,421.60 and 511,160.73

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Solution

The fourth proportional to 940,880.71, 1,298,421.60 and 511,160.73 is: 705,405.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,880.71 : 1,298,421.60 = 511,160.73 : x
  2. Step 2: Convert to fraction form
    940,880.71/1,298,421.60 = 511,160.73/x
  3. Step 3: Cross multiply
    940,880.71x = 1,298,421.60 × 511,160.73
  4. Step 4: Simplify right side
    940,880.71x = 663,702,126,117.83
  5. Step 5: Solve for x
    x = 663,702,126,117.83/940,880.71
  6. Step 6: Final answer
    x = 705,405.18

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Double scale
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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.