Home / 838,607.89-1,157,247.31-512,466.25

Finding the Fourth Proportional to 838,607.89, 1,157,247.31 and 512,466.25

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Solution

The fourth proportional to 838,607.89, 1,157,247.31 and 512,466.25 is: 707,184.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,607.89 : 1,157,247.31 = 512,466.25 : x
  2. Step 2: Convert to fraction form
    838,607.89/1,157,247.31 = 512,466.25/x
  3. Step 3: Cross multiply
    838,607.89x = 1,157,247.31 × 512,466.25
  4. Step 4: Simplify right side
    838,607.89x = 593,050,183,492.05
  5. Step 5: Solve for x
    x = 593,050,183,492.05/838,607.89
  6. Step 6: Final answer
    x = 707,184.13

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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.