Home / 1,143,590-1,578,161.58-634,293.68

Finding the Fourth Proportional to 1,143,590, 1,578,161.58 and 634,293.68

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Solution

The fourth proportional to 1,143,590, 1,578,161.58 and 634,293.68 is: 875,329.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,590 : 1,578,161.58 = 634,293.68 : x
  2. Step 2: Convert to fraction form
    1,143,590/1,578,161.58 = 634,293.68/x
  3. Step 3: Cross multiply
    1,143,590x = 1,578,161.58 × 634,293.68
  4. Step 4: Simplify right side
    1,143,590x = 1,001,017,916,212.81
  5. Step 5: Solve for x
    x = 1,001,017,916,212.81/1,143,590
  6. Step 6: Final answer
    x = 875,329.37

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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.