Home / 838,425.25-1,157,029.59-456,454.77

Finding the Fourth Proportional to 838,425.25, 1,157,029.59 and 456,454.77

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Solution

The fourth proportional to 838,425.25, 1,157,029.59 and 456,454.77 is: 629,909.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,425.25 : 1,157,029.59 = 456,454.77 : x
  2. Step 2: Convert to fraction form
    838,425.25/1,157,029.59 = 456,454.77/x
  3. Step 3: Cross multiply
    838,425.25x = 1,157,029.59 × 456,454.77
  4. Step 4: Simplify right side
    838,425.25x = 528,131,675,386.64
  5. Step 5: Solve for x
    x = 528,131,675,386.64/838,425.25
  6. Step 6: Final answer
    x = 629,909.08

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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.