Home / 1,709,616.60-2,562,351.30-761,981.40

Finding the Fourth Proportional to 1,709,616.60, 2,562,351.30 and 761,981.40

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Solution

The fourth proportional to 1,709,616.60, 2,562,351.30 and 761,981.40 is: 1,142,047.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709,616.60 : 2,562,351.30 = 761,981.40 : x
  2. Step 2: Convert to fraction form
    1,709,616.60/2,562,351.30 = 761,981.40/x
  3. Step 3: Cross multiply
    1,709,616.60x = 2,562,351.30 × 761,981.40
  4. Step 4: Simplify right side
    1,709,616.60x = 1,952,464,030,865.82
  5. Step 5: Solve for x
    x = 1,952,464,030,865.82/1,709,616.60
  6. Step 6: Final answer
    x = 1,142,047.89

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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.