Home / 545,240.98-817,803.06-190,261.72

Finding the Fourth Proportional to 545,240.98, 817,803.06 and 190,261.72

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Solution

The fourth proportional to 545,240.98, 817,803.06 and 190,261.72 is: 285,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,240.98 : 817,803.06 = 190,261.72 : x
  2. Step 2: Convert to fraction form
    545,240.98/817,803.06 = 190,261.72/x
  3. Step 3: Cross multiply
    545,240.98x = 817,803.06 × 190,261.72
  4. Step 4: Simplify right side
    545,240.98x = 155,596,616,816.86
  5. Step 5: Solve for x
    x = 155,596,616,816.86/545,240.98
  6. Step 6: Final answer
    x = 285,372.20

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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.