Home / 1,525,687.83-2,105,475.93-837,424.08

Finding the Fourth Proportional to 1,525,687.83, 2,105,475.93 and 837,424.08

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Solution

The fourth proportional to 1,525,687.83, 2,105,475.93 and 837,424.08 is: 1,155,659.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,687.83 : 2,105,475.93 = 837,424.08 : x
  2. Step 2: Convert to fraction form
    1,525,687.83/2,105,475.93 = 837,424.08/x
  3. Step 3: Cross multiply
    1,525,687.83x = 2,105,475.93 × 837,424.08
  4. Step 4: Simplify right side
    1,525,687.83x = 1,763,176,243,642.39
  5. Step 5: Solve for x
    x = 1,763,176,243,642.39/1,525,687.83
  6. Step 6: Final answer
    x = 1,155,659.90

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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.