Home / 556,321.17-834,631.56-286,302.21

Finding the Fourth Proportional to 556,321.17, 834,631.56 and 286,302.21

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Solution

The fourth proportional to 556,321.17, 834,631.56 and 286,302.21 is: 429,530.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,321.17 : 834,631.56 = 286,302.21 : x
  2. Step 2: Convert to fraction form
    556,321.17/834,631.56 = 286,302.21/x
  3. Step 3: Cross multiply
    556,321.17x = 834,631.56 × 286,302.21
  4. Step 4: Simplify right side
    556,321.17x = 238,956,860,163.75
  5. Step 5: Solve for x
    x = 238,956,860,163.75/556,321.17
  6. Step 6: Final answer
    x = 429,530.41

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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.