Home / 856,547.02-1,284,721.17-225,510.04

Finding the Fourth Proportional to 856,547.02, 1,284,721.17 and 225,510.04

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Solution

The fourth proportional to 856,547.02, 1,284,721.17 and 225,510.04 is: 338,238.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,547.02 : 1,284,721.17 = 225,510.04 : x
  2. Step 2: Convert to fraction form
    856,547.02/1,284,721.17 = 225,510.04/x
  3. Step 3: Cross multiply
    856,547.02x = 1,284,721.17 × 225,510.04
  4. Step 4: Simplify right side
    856,547.02x = 289,717,522,435.55
  5. Step 5: Solve for x
    x = 289,717,522,435.55/856,547.02
  6. Step 6: Final answer
    x = 338,238.90

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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.