Home / 1,257,407.26-1,886,111.51-415,959.01

Finding the Fourth Proportional to 1,257,407.26, 1,886,111.51 and 415,959.01

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Solution

The fourth proportional to 1,257,407.26, 1,886,111.51 and 415,959.01 is: 623,938.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,407.26 : 1,886,111.51 = 415,959.01 : x
  2. Step 2: Convert to fraction form
    1,257,407.26/1,886,111.51 = 415,959.01/x
  3. Step 3: Cross multiply
    1,257,407.26x = 1,886,111.51 × 415,959.01
  4. Step 4: Simplify right side
    1,257,407.26x = 784,545,076,449.21
  5. Step 5: Solve for x
    x = 784,545,076,449.21/1,257,407.26
  6. Step 6: Final answer
    x = 623,938.72

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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.