Home / 1,130,620.65-1,695,705.35-553,996.23

Finding the Fourth Proportional to 1,130,620.65, 1,695,705.35 and 553,996.23

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Solution

The fourth proportional to 1,130,620.65, 1,695,705.35 and 553,996.23 is: 830,883.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,620.65 : 1,695,705.35 = 553,996.23 : x
  2. Step 2: Convert to fraction form
    1,130,620.65/1,695,705.35 = 553,996.23/x
  3. Step 3: Cross multiply
    1,130,620.65x = 1,695,705.35 × 553,996.23
  4. Step 4: Simplify right side
    1,130,620.65x = 939,414,368,320.85
  5. Step 5: Solve for x
    x = 939,414,368,320.85/1,130,620.65
  6. Step 6: Final answer
    x = 830,883.79

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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.