Home / 585,938.60-878,907.90-349,742.60

Finding the Fourth Proportional to 585,938.60, 878,907.90 and 349,742.60

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Solution

The fourth proportional to 585,938.60, 878,907.90 and 349,742.60 is: 524,613.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,938.60 : 878,907.90 = 349,742.60 : x
  2. Step 2: Convert to fraction form
    585,938.60/878,907.90 = 349,742.60/x
  3. Step 3: Cross multiply
    585,938.60x = 878,907.90 × 349,742.60
  4. Step 4: Simplify right side
    585,938.60x = 307,391,534,106.54
  5. Step 5: Solve for x
    x = 307,391,534,106.54/585,938.60
  6. Step 6: Final answer
    x = 524,613.90

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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.