Home / 828,558-1,242,333.84-540,583.56

Finding the Fourth Proportional to 828,558, 1,242,333.84 and 540,583.56

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Solution

The fourth proportional to 828,558, 1,242,333.84 and 540,583.56 is: 810,547.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,558 : 1,242,333.84 = 540,583.56 : x
  2. Step 2: Convert to fraction form
    828,558/1,242,333.84 = 540,583.56/x
  3. Step 3: Cross multiply
    828,558x = 1,242,333.84 × 540,583.56
  4. Step 4: Simplify right side
    828,558x = 671,585,249,935.67
  5. Step 5: Solve for x
    x = 671,585,249,935.67/828,558
  6. Step 6: Final answer
    x = 810,547.06

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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.