Home / 929,547.69-1,394,715.20-508,331.49

Finding the Fourth Proportional to 929,547.69, 1,394,715.20 and 508,331.49

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Solution

The fourth proportional to 929,547.69, 1,394,715.20 and 508,331.49 is: 762,712.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,547.69 : 1,394,715.20 = 508,331.49 : x
  2. Step 2: Convert to fraction form
    929,547.69/1,394,715.20 = 508,331.49/x
  3. Step 3: Cross multiply
    929,547.69x = 1,394,715.20 × 508,331.49
  4. Step 4: Simplify right side
    929,547.69x = 708,977,653,199.99
  5. Step 5: Solve for x
    x = 708,977,653,199.99/929,547.69
  6. Step 6: Final answer
    x = 762,712.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.