Home / 1,418,339-1,957,307.82-909,041.38

Finding the Fourth Proportional to 1,418,339, 1,957,307.82 and 909,041.38

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Solution

The fourth proportional to 1,418,339, 1,957,307.82 and 909,041.38 is: 1,254,477.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,339 : 1,957,307.82 = 909,041.38 : x
  2. Step 2: Convert to fraction form
    1,418,339/1,957,307.82 = 909,041.38/x
  3. Step 3: Cross multiply
    1,418,339x = 1,957,307.82 × 909,041.38
  4. Step 4: Simplify right side
    1,418,339x = 1,779,273,801,777.59
  5. Step 5: Solve for x
    x = 1,779,273,801,777.59/1,418,339
  6. Step 6: Final answer
    x = 1,254,477.10

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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.