Home / 1,156,830.17-1,596,414.51-666,619.58

Finding the Fourth Proportional to 1,156,830.17, 1,596,414.51 and 666,619.58

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Solution

The fourth proportional to 1,156,830.17, 1,596,414.51 and 666,619.58 is: 919,928.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,830.17 : 1,596,414.51 = 666,619.58 : x
  2. Step 2: Convert to fraction form
    1,156,830.17/1,596,414.51 = 666,619.58/x
  3. Step 3: Cross multiply
    1,156,830.17x = 1,596,414.51 × 666,619.58
  4. Step 4: Simplify right side
    1,156,830.17x = 1,064,201,174,153.14
  5. Step 5: Solve for x
    x = 1,064,201,174,153.14/1,156,830.17
  6. Step 6: Final answer
    x = 919,928.62

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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.