Home / 896,934.50-1,237,779.29-489,033.02

Finding the Fourth Proportional to 896,934.50, 1,237,779.29 and 489,033.02

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Solution

The fourth proportional to 896,934.50, 1,237,779.29 and 489,033.02 is: 674,870.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,934.50 : 1,237,779.29 = 489,033.02 : x
  2. Step 2: Convert to fraction form
    896,934.50/1,237,779.29 = 489,033.02/x
  3. Step 3: Cross multiply
    896,934.50x = 1,237,779.29 × 489,033.02
  4. Step 4: Simplify right side
    896,934.50x = 605,314,944,282.16
  5. Step 5: Solve for x
    x = 605,314,944,282.16/896,934.50
  6. Step 6: Final answer
    x = 674,870.85

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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.