Home / 897,350.24-1,238,347.18-489,460.84

Finding the Fourth Proportional to 897,350.24, 1,238,347.18 and 489,460.84

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Solution

The fourth proportional to 897,350.24, 1,238,347.18 and 489,460.84 is: 675,458.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,350.24 : 1,238,347.18 = 489,460.84 : x
  2. Step 2: Convert to fraction form
    897,350.24/1,238,347.18 = 489,460.84/x
  3. Step 3: Cross multiply
    897,350.24x = 1,238,347.18 × 489,460.84
  4. Step 4: Simplify right side
    897,350.24x = 606,122,448,450.39
  5. Step 5: Solve for x
    x = 606,122,448,450.39/897,350.24
  6. Step 6: Final answer
    x = 675,458.06

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1.5x scale

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.