Home / 838,458.55-1,157,034.67-456,484.51

Finding the Fourth Proportional to 838,458.55, 1,157,034.67 and 456,484.51

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Solution

The fourth proportional to 838,458.55, 1,157,034.67 and 456,484.51 is: 629,927.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,458.55 : 1,157,034.67 = 456,484.51 : x
  2. Step 2: Convert to fraction form
    838,458.55/1,157,034.67 = 456,484.51/x
  3. Step 3: Cross multiply
    838,458.55x = 1,157,034.67 × 456,484.51
  4. Step 4: Simplify right side
    838,458.55x = 528,168,404,387.96
  5. Step 5: Solve for x
    x = 528,168,404,387.96/838,458.55
  6. Step 6: Final answer
    x = 629,927.87

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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.