Home / 1,325,706.84-1,988,820.18-526,839.48

Finding the Fourth Proportional to 1,325,706.84, 1,988,820.18 and 526,839.48

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Solution

The fourth proportional to 1,325,706.84, 1,988,820.18 and 526,839.48 is: 790,362.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,706.84 : 1,988,820.18 = 526,839.48 : x
  2. Step 2: Convert to fraction form
    1,325,706.84/1,988,820.18 = 526,839.48/x
  3. Step 3: Cross multiply
    1,325,706.84x = 1,988,820.18 × 526,839.48
  4. Step 4: Simplify right side
    1,325,706.84x = 1,047,788,989,444.71
  5. Step 5: Solve for x
    x = 1,047,788,989,444.71/1,325,706.84
  6. Step 6: Final answer
    x = 790,362.51

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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.