Home / 1,885,317.79-2,827,938.40-465,386.17

Finding the Fourth Proportional to 1,885,317.79, 2,827,938.40 and 465,386.17

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Solution

The fourth proportional to 1,885,317.79, 2,827,938.40 and 465,386.17 is: 698,069.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885,317.79 : 2,827,938.40 = 465,386.17 : x
  2. Step 2: Convert to fraction form
    1,885,317.79/2,827,938.40 = 465,386.17/x
  3. Step 3: Cross multiply
    1,885,317.79x = 2,827,938.40 × 465,386.17
  4. Step 4: Simplify right side
    1,885,317.79x = 1,316,083,420,971.93
  5. Step 5: Solve for x
    x = 1,316,083,420,971.93/1,885,317.79
  6. Step 6: Final answer
    x = 698,069.80

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Why These Related Problems?

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