Home / 838,427.85-1,157,051.24-456,475.59

Finding the Fourth Proportional to 838,427.85, 1,157,051.24 and 456,475.59

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Solution

The fourth proportional to 838,427.85, 1,157,051.24 and 456,475.59 is: 629,947.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,427.85 : 1,157,051.24 = 456,475.59 : x
  2. Step 2: Convert to fraction form
    838,427.85/1,157,051.24 = 456,475.59/x
  3. Step 3: Cross multiply
    838,427.85x = 1,157,051.24 × 456,475.59
  4. Step 4: Simplify right side
    838,427.85x = 528,165,645,156.85
  5. Step 5: Solve for x
    x = 528,165,645,156.85/838,427.85
  6. Step 6: Final answer
    x = 629,947.64

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Double scale
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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.