Home / 1,317,030.12-1,975,339.26-418,353.66

Finding the Fourth Proportional to 1,317,030.12, 1,975,339.26 and 418,353.66

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Solution

The fourth proportional to 1,317,030.12, 1,975,339.26 and 418,353.66 is: 627,465.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,030.12 : 1,975,339.26 = 418,353.66 : x
  2. Step 2: Convert to fraction form
    1,317,030.12/1,975,339.26 = 418,353.66/x
  3. Step 3: Cross multiply
    1,317,030.12x = 1,975,339.26 × 418,353.66
  4. Step 4: Simplify right side
    1,317,030.12x = 826,390,409,162.69
  5. Step 5: Solve for x
    x = 826,390,409,162.69/1,317,030.12
  6. Step 6: Final answer
    x = 627,465.08

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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.