Home / 913,421.10-1,370,131.65-913,421.10

Finding the Fourth Proportional to 913,421.10, 1,370,131.65 and 913,421.10

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Solution

The fourth proportional to 913,421.10, 1,370,131.65 and 913,421.10 is: 1,370,131.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,421.10 : 1,370,131.65 = 913,421.10 : x
  2. Step 2: Convert to fraction form
    913,421.10/1,370,131.65 = 913,421.10/x
  3. Step 3: Cross multiply
    913,421.10x = 1,370,131.65 × 913,421.10
  4. Step 4: Simplify right side
    913,421.10x = 1,251,507,158,887.82
  5. Step 5: Solve for x
    x = 1,251,507,158,887.82/913,421.10
  6. Step 6: Final answer
    x = 1,370,131.65

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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.