Home / 1,394,457.05-1,924,543.77-782,646.23

Finding the Fourth Proportional to 1,394,457.05, 1,924,543.77 and 782,646.23

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Solution

The fourth proportional to 1,394,457.05, 1,924,543.77 and 782,646.23 is: 1,080,160.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,457.05 : 1,924,543.77 = 782,646.23 : x
  2. Step 2: Convert to fraction form
    1,394,457.05/1,924,543.77 = 782,646.23/x
  3. Step 3: Cross multiply
    1,394,457.05x = 1,924,543.77 × 782,646.23
  4. Step 4: Simplify right side
    1,394,457.05x = 1,506,236,926,060.49
  5. Step 5: Solve for x
    x = 1,506,236,926,060.49/1,394,457.05
  6. Step 6: Final answer
    x = 1,080,160.14

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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.