Home / 389,773.13-537,886.91-210,925.13

Finding the Fourth Proportional to 389,773.13, 537,886.91 and 210,925.13

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Solution

The fourth proportional to 389,773.13, 537,886.91 and 210,925.13 is: 291,076.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,773.13 : 537,886.91 = 210,925.13 : x
  2. Step 2: Convert to fraction form
    389,773.13/537,886.91 = 210,925.13/x
  3. Step 3: Cross multiply
    389,773.13x = 537,886.91 × 210,925.13
  4. Step 4: Simplify right side
    389,773.13x = 113,453,864,254.93
  5. Step 5: Solve for x
    x = 113,453,864,254.93/389,773.13
  6. Step 6: Final answer
    x = 291,076.67

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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.