Home / 811,607.04-1,217,585.52-243,033.21

Finding the Fourth Proportional to 811,607.04, 1,217,585.52 and 243,033.21

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Solution

The fourth proportional to 811,607.04, 1,217,585.52 and 243,033.21 is: 364,602.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,607.04 : 1,217,585.52 = 243,033.21 : x
  2. Step 2: Convert to fraction form
    811,607.04/1,217,585.52 = 243,033.21/x
  3. Step 3: Cross multiply
    811,607.04x = 1,217,585.52 × 243,033.21
  4. Step 4: Simplify right side
    811,607.04x = 295,913,717,375.12
  5. Step 5: Solve for x
    x = 295,913,717,375.12/811,607.04
  6. Step 6: Final answer
    x = 364,602.21

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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.