Home / 1,657,686.45-2,486,529.78-459,608.79

Finding the Fourth Proportional to 1,657,686.45, 2,486,529.78 and 459,608.79

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Solution

The fourth proportional to 1,657,686.45, 2,486,529.78 and 459,608.79 is: 689,413.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,686.45 : 2,486,529.78 = 459,608.79 : x
  2. Step 2: Convert to fraction form
    1,657,686.45/2,486,529.78 = 459,608.79/x
  3. Step 3: Cross multiply
    1,657,686.45x = 2,486,529.78 × 459,608.79
  4. Step 4: Simplify right side
    1,657,686.45x = 1,142,830,943,484.77
  5. Step 5: Solve for x
    x = 1,142,830,943,484.77/1,657,686.45
  6. Step 6: Final answer
    x = 689,413.21

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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.