Home / 563,090.04-777,064.44-308,450.40

Finding the Fourth Proportional to 563,090.04, 777,064.44 and 308,450.40

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Solution

The fourth proportional to 563,090.04, 777,064.44 and 308,450.40 is: 425,661.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,090.04 : 777,064.44 = 308,450.40 : x
  2. Step 2: Convert to fraction form
    563,090.04/777,064.44 = 308,450.40/x
  3. Step 3: Cross multiply
    563,090.04x = 777,064.44 × 308,450.40
  4. Step 4: Simplify right side
    563,090.04x = 239,685,837,343.78
  5. Step 5: Solve for x
    x = 239,685,837,343.78/563,090.04
  6. Step 6: Final answer
    x = 425,661.65

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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.