Home / 1,157,242.32-1,735,946.64-399,072.89

Finding the Fourth Proportional to 1,157,242.32, 1,735,946.64 and 399,072.89

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Solution

The fourth proportional to 1,157,242.32, 1,735,946.64 and 399,072.89 is: 598,638.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,242.32 : 1,735,946.64 = 399,072.89 : x
  2. Step 2: Convert to fraction form
    1,157,242.32/1,735,946.64 = 399,072.89/x
  3. Step 3: Cross multiply
    1,157,242.32x = 1,735,946.64 × 399,072.89
  4. Step 4: Simplify right side
    1,157,242.32x = 692,769,233,830.86
  5. Step 5: Solve for x
    x = 692,769,233,830.86/1,157,242.32
  6. Step 6: Final answer
    x = 598,638.01

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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.