Home / 838,813.59-1,157,575.92-456,840.06

Finding the Fourth Proportional to 838,813.59, 1,157,575.92 and 456,840.06

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Solution

The fourth proportional to 838,813.59, 1,157,575.92 and 456,840.06 is: 630,446.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,813.59 : 1,157,575.92 = 456,840.06 : x
  2. Step 2: Convert to fraction form
    838,813.59/1,157,575.92 = 456,840.06/x
  3. Step 3: Cross multiply
    838,813.59x = 1,157,575.92 × 456,840.06
  4. Step 4: Simplify right side
    838,813.59x = 528,827,052,747.36
  5. Step 5: Solve for x
    x = 528,827,052,747.36/838,813.59
  6. Step 6: Final answer
    x = 630,446.45

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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.