Home / 1,076,957.10-1,615,452.51-318,875.48

Finding the Fourth Proportional to 1,076,957.10, 1,615,452.51 and 318,875.48

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Solution

The fourth proportional to 1,076,957.10, 1,615,452.51 and 318,875.48 is: 478,318.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,957.10 : 1,615,452.51 = 318,875.48 : x
  2. Step 2: Convert to fraction form
    1,076,957.10/1,615,452.51 = 318,875.48/x
  3. Step 3: Cross multiply
    1,076,957.10x = 1,615,452.51 × 318,875.48
  4. Step 4: Simplify right side
    1,076,957.10x = 515,128,186,466.19
  5. Step 5: Solve for x
    x = 515,128,186,466.19/1,076,957.10
  6. Step 6: Final answer
    x = 478,318.20

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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.