Home / 838,806.08-1,157,565.57-456,832.55

Finding the Fourth Proportional to 838,806.08, 1,157,565.57 and 456,832.55

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Solution

The fourth proportional to 838,806.08, 1,157,565.57 and 456,832.55 is: 630,436.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,806.08 : 1,157,565.57 = 456,832.55 : x
  2. Step 2: Convert to fraction form
    838,806.08/1,157,565.57 = 456,832.55/x
  3. Step 3: Cross multiply
    838,806.08x = 1,157,565.57 × 456,832.55
  4. Step 4: Simplify right side
    838,806.08x = 528,813,634,029.22
  5. Step 5: Solve for x
    x = 528,813,634,029.22/838,806.08
  6. Step 6: Final answer
    x = 630,436.10

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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.