Home / 1,257,407.01-1,886,111.15-415,958.76

Finding the Fourth Proportional to 1,257,407.01, 1,886,111.15 and 415,958.76

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Solution

The fourth proportional to 1,257,407.01, 1,886,111.15 and 415,958.76 is: 623,938.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,407.01 : 1,886,111.15 = 415,958.76 : x
  2. Step 2: Convert to fraction form
    1,257,407.01/1,886,111.15 = 415,958.76/x
  3. Step 3: Cross multiply
    1,257,407.01x = 1,886,111.15 × 415,958.76
  4. Step 4: Simplify right side
    1,257,407.01x = 784,544,453,096.38
  5. Step 5: Solve for x
    x = 784,544,453,096.38/1,257,407.01
  6. Step 6: Final answer
    x = 623,938.35

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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.