Home / 763,914.17-1,053,734.45-453,606.41

Finding the Fourth Proportional to 763,914.17, 1,053,734.45 and 453,606.41

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Solution

The fourth proportional to 763,914.17, 1,053,734.45 and 453,606.41 is: 625,699.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,914.17 : 1,053,734.45 = 453,606.41 : x
  2. Step 2: Convert to fraction form
    763,914.17/1,053,734.45 = 453,606.41/x
  3. Step 3: Cross multiply
    763,914.17x = 1,053,734.45 × 453,606.41
  4. Step 4: Simplify right side
    763,914.17x = 477,980,693,421.12
  5. Step 5: Solve for x
    x = 477,980,693,421.12/763,914.17
  6. Step 6: Final answer
    x = 625,699.48

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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.