Home / 740,113-1,021,354.02-400,581.16

Finding the Fourth Proportional to 740,113, 1,021,354.02 and 400,581.16

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Solution

The fourth proportional to 740,113, 1,021,354.02 and 400,581.16 is: 552,800.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,113 : 1,021,354.02 = 400,581.16 : x
  2. Step 2: Convert to fraction form
    740,113/1,021,354.02 = 400,581.16/x
  3. Step 3: Cross multiply
    740,113x = 1,021,354.02 × 400,581.16
  4. Step 4: Simplify right side
    740,113x = 409,135,178,102.26
  5. Step 5: Solve for x
    x = 409,135,178,102.26/740,113
  6. Step 6: Final answer
    x = 552,800.96

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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.