Home / 737,312.81-1,105,968.75-421,548.32

Finding the Fourth Proportional to 737,312.81, 1,105,968.75 and 421,548.32

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Solution

The fourth proportional to 737,312.81, 1,105,968.75 and 421,548.32 is: 632,322.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,312.81 : 1,105,968.75 = 421,548.32 : x
  2. Step 2: Convert to fraction form
    737,312.81/1,105,968.75 = 421,548.32/x
  3. Step 3: Cross multiply
    737,312.81x = 1,105,968.75 × 421,548.32
  4. Step 4: Simplify right side
    737,312.81x = 466,219,268,535
  5. Step 5: Solve for x
    x = 466,219,268,535/737,312.81
  6. Step 6: Final answer
    x = 632,322.21

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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.