Home / 1,093,407.72-1,508,715.75-634,417.05

Finding the Fourth Proportional to 1,093,407.72, 1,508,715.75 and 634,417.05

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Solution

The fourth proportional to 1,093,407.72, 1,508,715.75 and 634,417.05 is: 875,387.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,407.72 : 1,508,715.75 = 634,417.05 : x
  2. Step 2: Convert to fraction form
    1,093,407.72/1,508,715.75 = 634,417.05/x
  3. Step 3: Cross multiply
    1,093,407.72x = 1,508,715.75 × 634,417.05
  4. Step 4: Simplify right side
    1,093,407.72x = 957,154,995,403.54
  5. Step 5: Solve for x
    x = 957,154,995,403.54/1,093,407.72
  6. Step 6: Final answer
    x = 875,387.08

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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.