Home / 837,670.68-1,156,011.48-475,109.28

Finding the Fourth Proportional to 837,670.68, 1,156,011.48 and 475,109.28

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Solution

The fourth proportional to 837,670.68, 1,156,011.48 and 475,109.28 is: 655,665.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,670.68 : 1,156,011.48 = 475,109.28 : x
  2. Step 2: Convert to fraction form
    837,670.68/1,156,011.48 = 475,109.28/x
  3. Step 3: Cross multiply
    837,670.68x = 1,156,011.48 × 475,109.28
  4. Step 4: Simplify right side
    837,670.68x = 549,231,781,934.53
  5. Step 5: Solve for x
    x = 549,231,781,934.53/837,670.68
  6. Step 6: Final answer
    x = 655,665.52

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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.