Home / 742,772.16-1,024,500.96-456,453.36

Finding the Fourth Proportional to 742,772.16, 1,024,500.96 and 456,453.36

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Solution

The fourth proportional to 742,772.16, 1,024,500.96 and 456,453.36 is: 629,583.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,772.16 : 1,024,500.96 = 456,453.36 : x
  2. Step 2: Convert to fraction form
    742,772.16/1,024,500.96 = 456,453.36/x
  3. Step 3: Cross multiply
    742,772.16x = 1,024,500.96 × 456,453.36
  4. Step 4: Simplify right side
    742,772.16x = 467,636,905,515.23
  5. Step 5: Solve for x
    x = 467,636,905,515.23/742,772.16
  6. Step 6: Final answer
    x = 629,583.24

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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.