Home / 1,230,472.77-1,698,050.43-686,575.59

Finding the Fourth Proportional to 1,230,472.77, 1,698,050.43 and 686,575.59

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Solution

The fourth proportional to 1,230,472.77, 1,698,050.43 and 686,575.59 is: 947,473.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,472.77 : 1,698,050.43 = 686,575.59 : x
  2. Step 2: Convert to fraction form
    1,230,472.77/1,698,050.43 = 686,575.59/x
  3. Step 3: Cross multiply
    1,230,472.77x = 1,698,050.43 × 686,575.59
  4. Step 4: Simplify right side
    1,230,472.77x = 1,165,839,975,827.00
  5. Step 5: Solve for x
    x = 1,165,839,975,827.00/1,230,472.77
  6. Step 6: Final answer
    x = 947,473.20

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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.