Home / 671,109.08-926,170.42-384,647.58

Finding the Fourth Proportional to 671,109.08, 926,170.42 and 384,647.58

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Solution

The fourth proportional to 671,109.08, 926,170.42 and 384,647.58 is: 530,836.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,109.08 : 926,170.42 = 384,647.58 : x
  2. Step 2: Convert to fraction form
    671,109.08/926,170.42 = 384,647.58/x
  3. Step 3: Cross multiply
    671,109.08x = 926,170.42 × 384,647.58
  4. Step 4: Simplify right side
    671,109.08x = 356,249,210,720.58
  5. Step 5: Solve for x
    x = 356,249,210,720.58/671,109.08
  6. Step 6: Final answer
    x = 530,836.52

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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.