Home / 986,457.04-1,478,796.90-354,926.56

Finding the Fourth Proportional to 986,457.04, 1,478,796.90 and 354,926.56

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Solution

The fourth proportional to 986,457.04, 1,478,796.90 and 354,926.56 is: 532,070.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,457.04 : 1,478,796.90 = 354,926.56 : x
  2. Step 2: Convert to fraction form
    986,457.04/1,478,796.90 = 354,926.56/x
  3. Step 3: Cross multiply
    986,457.04x = 1,478,796.90 × 354,926.56
  4. Step 4: Simplify right side
    986,457.04x = 524,864,296,655.66
  5. Step 5: Solve for x
    x = 524,864,296,655.66/986,457.04
  6. Step 6: Final answer
    x = 532,070.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.