Home / 838,090.08-1,156,686.23-470,608.47

Finding the Fourth Proportional to 838,090.08, 1,156,686.23 and 470,608.47

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Solution

The fourth proportional to 838,090.08, 1,156,686.23 and 470,608.47 is: 649,508.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,090.08 : 1,156,686.23 = 470,608.47 : x
  2. Step 2: Convert to fraction form
    838,090.08/1,156,686.23 = 470,608.47/x
  3. Step 3: Cross multiply
    838,090.08x = 1,156,686.23 × 470,608.47
  4. Step 4: Simplify right side
    838,090.08x = 544,346,334,617.33
  5. Step 5: Solve for x
    x = 544,346,334,617.33/838,090.08
  6. Step 6: Final answer
    x = 649,508.15

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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.