Home / 838,817.47-1,157,580.92-456,844.25

Finding the Fourth Proportional to 838,817.47, 1,157,580.92 and 456,844.25

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Solution

The fourth proportional to 838,817.47, 1,157,580.92 and 456,844.25 is: 630,452.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,817.47 : 1,157,580.92 = 456,844.25 : x
  2. Step 2: Convert to fraction form
    838,817.47/1,157,580.92 = 456,844.25/x
  3. Step 3: Cross multiply
    838,817.47x = 1,157,580.92 × 456,844.25
  4. Step 4: Simplify right side
    838,817.47x = 528,834,191,247.77
  5. Step 5: Solve for x
    x = 528,834,191,247.77/838,817.47
  6. Step 6: Final answer
    x = 630,452.05

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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.