Home / 953,645.82-1,316,054.43-523,953.78

Finding the Fourth Proportional to 953,645.82, 1,316,054.43 and 523,953.78

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Solution

The fourth proportional to 953,645.82, 1,316,054.43 and 523,953.78 is: 723,068.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,645.82 : 1,316,054.43 = 523,953.78 : x
  2. Step 2: Convert to fraction form
    953,645.82/1,316,054.43 = 523,953.78/x
  3. Step 3: Cross multiply
    953,645.82x = 1,316,054.43 × 523,953.78
  4. Step 4: Simplify right side
    953,645.82x = 689,551,693,284.25
  5. Step 5: Solve for x
    x = 689,551,693,284.25/953,645.82
  6. Step 6: Final answer
    x = 723,068.96

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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.