Home / 1,418,356-1,957,331.28-909,058.60

Finding the Fourth Proportional to 1,418,356, 1,957,331.28 and 909,058.60

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Solution

The fourth proportional to 1,418,356, 1,957,331.28 and 909,058.60 is: 1,254,500.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,356 : 1,957,331.28 = 909,058.60 : x
  2. Step 2: Convert to fraction form
    1,418,356/1,957,331.28 = 909,058.60/x
  3. Step 3: Cross multiply
    1,418,356x = 1,957,331.28 × 909,058.60
  4. Step 4: Simplify right side
    1,418,356x = 1,779,328,833,133.01
  5. Step 5: Solve for x
    x = 1,779,328,833,133.01/1,418,356
  6. Step 6: Final answer
    x = 1,254,500.87

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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.