Home / 1,143,588-1,578,158.82-634,291.68

Finding the Fourth Proportional to 1,143,588, 1,578,158.82 and 634,291.68

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Solution

The fourth proportional to 1,143,588, 1,578,158.82 and 634,291.68 is: 875,326.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,588 : 1,578,158.82 = 634,291.68 : x
  2. Step 2: Convert to fraction form
    1,143,588/1,578,158.82 = 634,291.68/x
  3. Step 3: Cross multiply
    1,143,588x = 1,578,158.82 × 634,291.68
  4. Step 4: Simplify right side
    1,143,588x = 1,001,013,009,244.62
  5. Step 5: Solve for x
    x = 1,001,013,009,244.62/1,143,588
  6. Step 6: Final answer
    x = 875,326.61

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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.