Home / 497,426.59-685,961.03-315,823.24

Finding the Fourth Proportional to 497,426.59, 685,961.03 and 315,823.24

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Solution

The fourth proportional to 497,426.59, 685,961.03 and 315,823.24 is: 435,526.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,426.59 : 685,961.03 = 315,823.24 : x
  2. Step 2: Convert to fraction form
    497,426.59/685,961.03 = 315,823.24/x
  3. Step 3: Cross multiply
    497,426.59x = 685,961.03 × 315,823.24
  4. Step 4: Simplify right side
    497,426.59x = 216,642,435,008.34
  5. Step 5: Solve for x
    x = 216,642,435,008.34/497,426.59
  6. Step 6: Final answer
    x = 435,526.45

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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.