Home / 1,216,207.67-1,678,315.19-719,813.35

Finding the Fourth Proportional to 1,216,207.67, 1,678,315.19 and 719,813.35

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Solution

The fourth proportional to 1,216,207.67, 1,678,315.19 and 719,813.35 is: 993,312.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,207.67 : 1,678,315.19 = 719,813.35 : x
  2. Step 2: Convert to fraction form
    1,216,207.67/1,678,315.19 = 719,813.35/x
  3. Step 3: Cross multiply
    1,216,207.67x = 1,678,315.19 × 719,813.35
  4. Step 4: Simplify right side
    1,216,207.67x = 1,208,073,674,737.17
  5. Step 5: Solve for x
    x = 1,208,073,674,737.17/1,216,207.67
  6. Step 6: Final answer
    x = 993,312.00

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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.