Home / 563,475.24-777,560.58-308,808.36

Finding the Fourth Proportional to 563,475.24, 777,560.58 and 308,808.36

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Solution

The fourth proportional to 563,475.24, 777,560.58 and 308,808.36 is: 426,136.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,475.24 : 777,560.58 = 308,808.36 : x
  2. Step 2: Convert to fraction form
    563,475.24/777,560.58 = 308,808.36/x
  3. Step 3: Cross multiply
    563,475.24x = 777,560.58 × 308,808.36
  4. Step 4: Simplify right side
    563,475.24x = 240,117,207,510.45
  5. Step 5: Solve for x
    x = 240,117,207,510.45/563,475.24
  6. Step 6: Final answer
    x = 426,136.22

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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.