Home / 905,188.37-1,249,154.77-497,281.43

Finding the Fourth Proportional to 905,188.37, 1,249,154.77 and 497,281.43

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Solution

The fourth proportional to 905,188.37, 1,249,154.77 and 497,281.43 is: 686,245.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,188.37 : 1,249,154.77 = 497,281.43 : x
  2. Step 2: Convert to fraction form
    905,188.37/1,249,154.77 = 497,281.43/x
  3. Step 3: Cross multiply
    905,188.37x = 1,249,154.77 × 497,281.43
  4. Step 4: Simplify right side
    905,188.37x = 621,181,466,452.15
  5. Step 5: Solve for x
    x = 621,181,466,452.15/905,188.37
  6. Step 6: Final answer
    x = 686,245.53

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Double scale
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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.