Home / 838,376.64-1,156,958.40-456,402.24

Finding the Fourth Proportional to 838,376.64, 1,156,958.40 and 456,402.24

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Solution

The fourth proportional to 838,376.64, 1,156,958.40 and 456,402.24 is: 629,834.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,376.64 : 1,156,958.40 = 456,402.24 : x
  2. Step 2: Convert to fraction form
    838,376.64/1,156,958.40 = 456,402.24/x
  3. Step 3: Cross multiply
    838,376.64x = 1,156,958.40 × 456,402.24
  4. Step 4: Simplify right side
    838,376.64x = 528,038,405,346.82
  5. Step 5: Solve for x
    x = 528,038,405,346.82/838,376.64
  6. Step 6: Final answer
    x = 629,834.35

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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.