Home / 540,832.04-811,011.34-256,603.65

Finding the Fourth Proportional to 540,832.04, 811,011.34 and 256,603.65

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Solution

The fourth proportional to 540,832.04, 811,011.34 and 256,603.65 is: 384,793.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,832.04 : 811,011.34 = 256,603.65 : x
  2. Step 2: Convert to fraction form
    540,832.04/811,011.34 = 256,603.65/x
  3. Step 3: Cross multiply
    540,832.04x = 811,011.34 × 256,603.65
  4. Step 4: Simplify right side
    540,832.04x = 208,108,465,871.46
  5. Step 5: Solve for x
    x = 208,108,465,871.46/540,832.04
  6. Step 6: Final answer
    x = 384,793.15

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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.