Home / 679,736.34-1,017,386.73-499,774.05

Finding the Fourth Proportional to 679,736.34, 1,017,386.73 and 499,774.05

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Solution

The fourth proportional to 679,736.34, 1,017,386.73 and 499,774.05 is: 748,030.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,736.34 : 1,017,386.73 = 499,774.05 : x
  2. Step 2: Convert to fraction form
    679,736.34/1,017,386.73 = 499,774.05/x
  3. Step 3: Cross multiply
    679,736.34x = 1,017,386.73 × 499,774.05
  4. Step 4: Simplify right side
    679,736.34x = 508,463,486,468.36
  5. Step 5: Solve for x
    x = 508,463,486,468.36/679,736.34
  6. Step 6: Final answer
    x = 748,030.46

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.