Home / 1,317,071.96-1,975,947.95-406,233.95

Finding the Fourth Proportional to 1,317,071.96, 1,975,947.95 and 406,233.95

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Solution

The fourth proportional to 1,317,071.96, 1,975,947.95 and 406,233.95 is: 609,455.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,071.96 : 1,975,947.95 = 406,233.95 : x
  2. Step 2: Convert to fraction form
    1,317,071.96/1,975,947.95 = 406,233.95/x
  3. Step 3: Cross multiply
    1,317,071.96x = 1,975,947.95 × 406,233.95
  4. Step 4: Simplify right side
    1,317,071.96x = 802,697,128,811.99
  5. Step 5: Solve for x
    x = 802,697,128,811.99/1,317,071.96
  6. Step 6: Final answer
    x = 609,455.79

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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.