Home / 563,719.40-777,964.55-334,412.45

Finding the Fourth Proportional to 563,719.40, 777,964.55 and 334,412.45

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Solution

The fourth proportional to 563,719.40, 777,964.55 and 334,412.45 is: 461,508.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,719.40 : 777,964.55 = 334,412.45 : x
  2. Step 2: Convert to fraction form
    563,719.40/777,964.55 = 334,412.45/x
  3. Step 3: Cross multiply
    563,719.40x = 777,964.55 × 334,412.45
  4. Step 4: Simplify right side
    563,719.40x = 260,161,031,178.65
  5. Step 5: Solve for x
    x = 260,161,031,178.65/563,719.40
  6. Step 6: Final answer
    x = 461,508.03

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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.