Home / 563,457.74-777,570.12-305,341.83

Finding the Fourth Proportional to 563,457.74, 777,570.12 and 305,341.83

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Solution

The fourth proportional to 563,457.74, 777,570.12 and 305,341.83 is: 421,370.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,457.74 : 777,570.12 = 305,341.83 : x
  2. Step 2: Convert to fraction form
    563,457.74/777,570.12 = 305,341.83/x
  3. Step 3: Cross multiply
    563,457.74x = 777,570.12 × 305,341.83
  4. Step 4: Simplify right side
    563,457.74x = 237,424,683,394.12
  5. Step 5: Solve for x
    x = 237,424,683,394.12/563,457.74
  6. Step 6: Final answer
    x = 421,370.88

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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.