Home / 645,386.43-968,195.84-526,497.47

Finding the Fourth Proportional to 645,386.43, 968,195.84 and 526,497.47

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Solution

The fourth proportional to 645,386.43, 968,195.84 and 526,497.47 is: 789,840.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,386.43 : 968,195.84 = 526,497.47 : x
  2. Step 2: Convert to fraction form
    645,386.43/968,195.84 = 526,497.47/x
  3. Step 3: Cross multiply
    645,386.43x = 968,195.84 × 526,497.47
  4. Step 4: Simplify right side
    645,386.43x = 509,752,656,381.79
  5. Step 5: Solve for x
    x = 509,752,656,381.79/645,386.43
  6. Step 6: Final answer
    x = 789,840.98

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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.