Home / 1,186,973.44-1,780,462.40-288,415.94

Finding the Fourth Proportional to 1,186,973.44, 1,780,462.40 and 288,415.94

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Solution

The fourth proportional to 1,186,973.44, 1,780,462.40 and 288,415.94 is: 432,624.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,973.44 : 1,780,462.40 = 288,415.94 : x
  2. Step 2: Convert to fraction form
    1,186,973.44/1,780,462.40 = 288,415.94/x
  3. Step 3: Cross multiply
    1,186,973.44x = 1,780,462.40 × 288,415.94
  4. Step 4: Simplify right side
    1,186,973.44x = 513,513,736,730.66
  5. Step 5: Solve for x
    x = 513,513,736,730.66/1,186,973.44
  6. Step 6: Final answer
    x = 432,624.45

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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.