Home / 460,235.16-690,048.18-220,384.44

Finding the Fourth Proportional to 460,235.16, 690,048.18 and 220,384.44

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Solution

The fourth proportional to 460,235.16, 690,048.18 and 220,384.44 is: 330,430.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,235.16 : 690,048.18 = 220,384.44 : x
  2. Step 2: Convert to fraction form
    460,235.16/690,048.18 = 220,384.44/x
  3. Step 3: Cross multiply
    460,235.16x = 690,048.18 × 220,384.44
  4. Step 4: Simplify right side
    460,235.16x = 152,075,881,722.32
  5. Step 5: Solve for x
    x = 152,075,881,722.32/460,235.16
  6. Step 6: Final answer
    x = 330,430.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.