Home / 457,313.83-685,971.02-190,929.13

Finding the Fourth Proportional to 457,313.83, 685,971.02 and 190,929.13

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Solution

The fourth proportional to 457,313.83, 685,971.02 and 190,929.13 is: 286,393.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,313.83 : 685,971.02 = 190,929.13 : x
  2. Step 2: Convert to fraction form
    457,313.83/685,971.02 = 190,929.13/x
  3. Step 3: Cross multiply
    457,313.83x = 685,971.02 × 190,929.13
  4. Step 4: Simplify right side
    457,313.83x = 130,971,850,053.81
  5. Step 5: Solve for x
    x = 130,971,850,053.81/457,313.83
  6. Step 6: Final answer
    x = 286,393.81

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1.5x scale

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.