Home / 828,611.91-1,143,572.18-506,510.55

Finding the Fourth Proportional to 828,611.91, 1,143,572.18 and 506,510.55

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Solution

The fourth proportional to 828,611.91, 1,143,572.18 and 506,510.55 is: 699,038.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,611.91 : 1,143,572.18 = 506,510.55 : x
  2. Step 2: Convert to fraction form
    828,611.91/1,143,572.18 = 506,510.55/x
  3. Step 3: Cross multiply
    828,611.91x = 1,143,572.18 × 506,510.55
  4. Step 4: Simplify right side
    828,611.91x = 579,231,371,323.95
  5. Step 5: Solve for x
    x = 579,231,371,323.95/828,611.91
  6. Step 6: Final answer
    x = 699,038.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.