Home / 1,258,506.51-1,736,679.25-714,571.05

Finding the Fourth Proportional to 1,258,506.51, 1,736,679.25 and 714,571.05

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Solution

The fourth proportional to 1,258,506.51, 1,736,679.25 and 714,571.05 is: 986,074.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,506.51 : 1,736,679.25 = 714,571.05 : x
  2. Step 2: Convert to fraction form
    1,258,506.51/1,736,679.25 = 714,571.05/x
  3. Step 3: Cross multiply
    1,258,506.51x = 1,736,679.25 × 714,571.05
  4. Step 4: Simplify right side
    1,258,506.51x = 1,240,980,715,185.71
  5. Step 5: Solve for x
    x = 1,240,980,715,185.71/1,258,506.51
  6. Step 6: Final answer
    x = 986,074.13

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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.