Home / 1,116,605.32-1,674,342.08-476,809.40

Finding the Fourth Proportional to 1,116,605.32, 1,674,342.08 and 476,809.40

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Solution

The fourth proportional to 1,116,605.32, 1,674,342.08 and 476,809.40 is: 714,972.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,605.32 : 1,674,342.08 = 476,809.40 : x
  2. Step 2: Convert to fraction form
    1,116,605.32/1,674,342.08 = 476,809.40/x
  3. Step 3: Cross multiply
    1,116,605.32x = 1,674,342.08 × 476,809.40
  4. Step 4: Simplify right side
    1,116,605.32x = 798,342,042,559.55
  5. Step 5: Solve for x
    x = 798,342,042,559.55/1,116,605.32
  6. Step 6: Final answer
    x = 714,972.45

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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.