Home / 534,009.96-736,931.76-288,994.20

Finding the Fourth Proportional to 534,009.96, 736,931.76 and 288,994.20

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Solution

The fourth proportional to 534,009.96, 736,931.76 and 288,994.20 is: 398,810.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,009.96 : 736,931.76 = 288,994.20 : x
  2. Step 2: Convert to fraction form
    534,009.96/736,931.76 = 288,994.20/x
  3. Step 3: Cross multiply
    534,009.96x = 736,931.76 × 288,994.20
  4. Step 4: Simplify right side
    534,009.96x = 212,969,004,435.79
  5. Step 5: Solve for x
    x = 212,969,004,435.79/534,009.96
  6. Step 6: Final answer
    x = 398,810.92

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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.