Home / 497,281.17-686,248.09-270,926.67

Finding the Fourth Proportional to 497,281.17, 686,248.09 and 270,926.67

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Solution

The fourth proportional to 497,281.17, 686,248.09 and 270,926.67 is: 373,878.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,281.17 : 686,248.09 = 270,926.67 : x
  2. Step 2: Convert to fraction form
    497,281.17/686,248.09 = 270,926.67/x
  3. Step 3: Cross multiply
    497,281.17x = 686,248.09 × 270,926.67
  4. Step 4: Simplify right side
    497,281.17x = 185,922,909,817.56
  5. Step 5: Solve for x
    x = 185,922,909,817.56/497,281.17
  6. Step 6: Final answer
    x = 373,878.85

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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.