Home / 970,682.12-1,339,580.04-540,958.40

Finding the Fourth Proportional to 970,682.12, 1,339,580.04 and 540,958.40

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Solution

The fourth proportional to 970,682.12, 1,339,580.04 and 540,958.40 is: 746,544.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,682.12 : 1,339,580.04 = 540,958.40 : x
  2. Step 2: Convert to fraction form
    970,682.12/1,339,580.04 = 540,958.40/x
  3. Step 3: Cross multiply
    970,682.12x = 1,339,580.04 × 540,958.40
  4. Step 4: Simplify right side
    970,682.12x = 724,657,075,110.34
  5. Step 5: Solve for x
    x = 724,657,075,110.34/970,682.12
  6. Step 6: Final answer
    x = 746,544.17

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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.