Home / 1,156,671.81-1,596,256.95-640,425.66

Finding the Fourth Proportional to 1,156,671.81, 1,596,256.95 and 640,425.66

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Solution

The fourth proportional to 1,156,671.81, 1,596,256.95 and 640,425.66 is: 883,815.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,671.81 : 1,596,256.95 = 640,425.66 : x
  2. Step 2: Convert to fraction form
    1,156,671.81/1,596,256.95 = 640,425.66/x
  3. Step 3: Cross multiply
    1,156,671.81x = 1,596,256.95 × 640,425.66
  4. Step 4: Simplify right side
    1,156,671.81x = 1,022,283,910,733.34
  5. Step 5: Solve for x
    x = 1,022,283,910,733.34/1,156,671.81
  6. Step 6: Final answer
    x = 883,815.01

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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.