Home / 1,578,166.70-2,368,222.05-680,038.70

Finding the Fourth Proportional to 1,578,166.70, 2,368,222.05 and 680,038.70

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Solution

The fourth proportional to 1,578,166.70, 2,368,222.05 and 680,038.70 is: 1,020,476.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,166.70 : 2,368,222.05 = 680,038.70 : x
  2. Step 2: Convert to fraction form
    1,578,166.70/2,368,222.05 = 680,038.70/x
  3. Step 3: Cross multiply
    1,578,166.70x = 2,368,222.05 × 680,038.70
  4. Step 4: Simplify right side
    1,578,166.70x = 1,610,482,644,193.33
  5. Step 5: Solve for x
    x = 1,610,482,644,193.33/1,578,166.70
  6. Step 6: Final answer
    x = 1,020,476.89

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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.