Home / 1,074,619.02-1,482,134.70-666,492

Finding the Fourth Proportional to 1,074,619.02, 1,482,134.70 and 666,492

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Solution

The fourth proportional to 1,074,619.02, 1,482,134.70 and 666,492 is: 919,238.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,619.02 : 1,482,134.70 = 666,492 : x
  2. Step 2: Convert to fraction form
    1,074,619.02/1,482,134.70 = 666,492/x
  3. Step 3: Cross multiply
    1,074,619.02x = 1,482,134.70 × 666,492
  4. Step 4: Simplify right side
    1,074,619.02x = 987,830,920,472.40
  5. Step 5: Solve for x
    x = 987,830,920,472.40/1,074,619.02
  6. Step 6: Final answer
    x = 919,238.26

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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.