Home / 690,256.18-952,596.75-418,347.82

Finding the Fourth Proportional to 690,256.18, 952,596.75 and 418,347.82

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Solution

The fourth proportional to 690,256.18, 952,596.75 and 418,347.82 is: 577,346.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,256.18 : 952,596.75 = 418,347.82 : x
  2. Step 2: Convert to fraction form
    690,256.18/952,596.75 = 418,347.82/x
  3. Step 3: Cross multiply
    690,256.18x = 952,596.75 × 418,347.82
  4. Step 4: Simplify right side
    690,256.18x = 398,516,773,701.59
  5. Step 5: Solve for x
    x = 398,516,773,701.59/690,256.18
  6. Step 6: Final answer
    x = 577,346.19

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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.