Home / 1,289,877.30-1,934,859.64-343,248.93

Finding the Fourth Proportional to 1,289,877.30, 1,934,859.64 and 343,248.93

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Solution

The fourth proportional to 1,289,877.30, 1,934,859.64 and 343,248.93 is: 514,885.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,877.30 : 1,934,859.64 = 343,248.93 : x
  2. Step 2: Convert to fraction form
    1,289,877.30/1,934,859.64 = 343,248.93/x
  3. Step 3: Cross multiply
    1,289,877.30x = 1,934,859.64 × 343,248.93
  4. Step 4: Simplify right side
    1,289,877.30x = 664,138,501,130.19
  5. Step 5: Solve for x
    x = 664,138,501,130.19/1,289,877.30
  6. Step 6: Final answer
    x = 514,885.02

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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.