Home / 1,057,009.65-1,585,506.85-258,283.84

Finding the Fourth Proportional to 1,057,009.65, 1,585,506.85 and 258,283.84

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Solution

The fourth proportional to 1,057,009.65, 1,585,506.85 and 258,283.84 is: 387,423.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,009.65 : 1,585,506.85 = 258,283.84 : x
  2. Step 2: Convert to fraction form
    1,057,009.65/1,585,506.85 = 258,283.84/x
  3. Step 3: Cross multiply
    1,057,009.65x = 1,585,506.85 × 258,283.84
  4. Step 4: Simplify right side
    1,057,009.65x = 409,510,792,954.83
  5. Step 5: Solve for x
    x = 409,510,792,954.83/1,057,009.65
  6. Step 6: Final answer
    x = 387,423.89

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1.5x scale

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.