Home / 1,178,486.17-1,626,189.75-662,158.04

Finding the Fourth Proportional to 1,178,486.17, 1,626,189.75 and 662,158.04

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Solution

The fourth proportional to 1,178,486.17, 1,626,189.75 and 662,158.04 is: 913,710.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,486.17 : 1,626,189.75 = 662,158.04 : x
  2. Step 2: Convert to fraction form
    1,178,486.17/1,626,189.75 = 662,158.04/x
  3. Step 3: Cross multiply
    1,178,486.17x = 1,626,189.75 × 662,158.04
  4. Step 4: Simplify right side
    1,178,486.17x = 1,076,794,609,397.14
  5. Step 5: Solve for x
    x = 1,076,794,609,397.14/1,178,486.17
  6. Step 6: Final answer
    x = 913,710.01

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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.