Home / 515,383.02-711,083.07-334,102.59

Finding the Fourth Proportional to 515,383.02, 711,083.07 and 334,102.59

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Solution

The fourth proportional to 515,383.02, 711,083.07 and 334,102.59 is: 460,967.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,383.02 : 711,083.07 = 334,102.59 : x
  2. Step 2: Convert to fraction form
    515,383.02/711,083.07 = 334,102.59/x
  3. Step 3: Cross multiply
    515,383.02x = 711,083.07 × 334,102.59
  4. Step 4: Simplify right side
    515,383.02x = 237,574,695,392.15
  5. Step 5: Solve for x
    x = 237,574,695,392.15/515,383.02
  6. Step 6: Final answer
    x = 460,967.25

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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.