Home / 1,409,870.57-2,114,888.07-398,907.95

Finding the Fourth Proportional to 1,409,870.57, 2,114,888.07 and 398,907.95

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Solution

The fourth proportional to 1,409,870.57, 2,114,888.07 and 398,907.95 is: 598,385.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,870.57 : 2,114,888.07 = 398,907.95 : x
  2. Step 2: Convert to fraction form
    1,409,870.57/2,114,888.07 = 398,907.95/x
  3. Step 3: Cross multiply
    1,409,870.57x = 2,114,888.07 × 398,907.95
  4. Step 4: Simplify right side
    1,409,870.57x = 843,645,664,483.16
  5. Step 5: Solve for x
    x = 843,645,664,483.16/1,409,870.57
  6. Step 6: Final answer
    x = 598,385.19

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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.