Home / 563,707.18-777,947.70-334,400.23

Finding the Fourth Proportional to 563,707.18, 777,947.70 and 334,400.23

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Solution

The fourth proportional to 563,707.18, 777,947.70 and 334,400.23 is: 461,491.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,707.18 : 777,947.70 = 334,400.23 : x
  2. Step 2: Convert to fraction form
    563,707.18/777,947.70 = 334,400.23/x
  3. Step 3: Cross multiply
    563,707.18x = 777,947.70 × 334,400.23
  4. Step 4: Simplify right side
    563,707.18x = 260,145,889,807.97
  5. Step 5: Solve for x
    x = 260,145,889,807.97/563,707.18
  6. Step 6: Final answer
    x = 461,491.18

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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.