Home / 1,139,106.84-1,708,661.93-465,188.15

Finding the Fourth Proportional to 1,139,106.84, 1,708,661.93 and 465,188.15

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Solution

The fourth proportional to 1,139,106.84, 1,708,661.93 and 465,188.15 is: 697,782.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,106.84 : 1,708,661.93 = 465,188.15 : x
  2. Step 2: Convert to fraction form
    1,139,106.84/1,708,661.93 = 465,188.15/x
  3. Step 3: Cross multiply
    1,139,106.84x = 1,708,661.93 × 465,188.15
  4. Step 4: Simplify right side
    1,139,106.84x = 794,849,271,322.88
  5. Step 5: Solve for x
    x = 794,849,271,322.88/1,139,106.84
  6. Step 6: Final answer
    x = 697,782.90

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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.