Home / 1,285,717.77-1,928,953.04-575,587.53

Finding the Fourth Proportional to 1,285,717.77, 1,928,953.04 and 575,587.53

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Solution

The fourth proportional to 1,285,717.77, 1,928,953.04 and 575,587.53 is: 863,549.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,717.77 : 1,928,953.04 = 575,587.53 : x
  2. Step 2: Convert to fraction form
    1,285,717.77/1,928,953.04 = 575,587.53/x
  3. Step 3: Cross multiply
    1,285,717.77x = 1,928,953.04 × 575,587.53
  4. Step 4: Simplify right side
    1,285,717.77x = 1,110,281,312,901.65
  5. Step 5: Solve for x
    x = 1,110,281,312,901.65/1,285,717.77
  6. Step 6: Final answer
    x = 863,549.79

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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.