Home / 919,056.30-1,266,892.02-646,381.14

Finding the Fourth Proportional to 919,056.30, 1,266,892.02 and 646,381.14

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Solution

The fourth proportional to 919,056.30, 1,266,892.02 and 646,381.14 is: 891,017.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,056.30 : 1,266,892.02 = 646,381.14 : x
  2. Step 2: Convert to fraction form
    919,056.30/1,266,892.02 = 646,381.14/x
  3. Step 3: Cross multiply
    919,056.30x = 1,266,892.02 × 646,381.14
  4. Step 4: Simplify right side
    919,056.30x = 818,895,108,144.50
  5. Step 5: Solve for x
    x = 818,895,108,144.50/919,056.30
  6. Step 6: Final answer
    x = 891,017.35

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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.