Home / 818,859.06-1,130,014.08-456,298.20

Finding the Fourth Proportional to 818,859.06, 1,130,014.08 and 456,298.20

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Solution

The fourth proportional to 818,859.06, 1,130,014.08 and 456,298.20 is: 629,685.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,859.06 : 1,130,014.08 = 456,298.20 : x
  2. Step 2: Convert to fraction form
    818,859.06/1,130,014.08 = 456,298.20/x
  3. Step 3: Cross multiply
    818,859.06x = 1,130,014.08 × 456,298.20
  4. Step 4: Simplify right side
    818,859.06x = 515,623,390,678.66
  5. Step 5: Solve for x
    x = 515,623,390,678.66/818,859.06
  6. Step 6: Final answer
    x = 629,685.15

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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.