Home / 838,561.42-1,157,217.54-456,590.50

Finding the Fourth Proportional to 838,561.42, 1,157,217.54 and 456,590.50

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Solution

The fourth proportional to 838,561.42, 1,157,217.54 and 456,590.50 is: 630,096.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,561.42 : 1,157,217.54 = 456,590.50 : x
  2. Step 2: Convert to fraction form
    838,561.42/1,157,217.54 = 456,590.50/x
  3. Step 3: Cross multiply
    838,561.42x = 1,157,217.54 × 456,590.50
  4. Step 4: Simplify right side
    838,561.42x = 528,374,535,197.37
  5. Step 5: Solve for x
    x = 528,374,535,197.37/838,561.42
  6. Step 6: Final answer
    x = 630,096.40

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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.