Home / 659,361.24-909,938.32-372,875.58

Finding the Fourth Proportional to 659,361.24, 909,938.32 and 372,875.58

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Solution

The fourth proportional to 659,361.24, 909,938.32 and 372,875.58 is: 514,579.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,361.24 : 909,938.32 = 372,875.58 : x
  2. Step 2: Convert to fraction form
    659,361.24/909,938.32 = 372,875.58/x
  3. Step 3: Cross multiply
    659,361.24x = 909,938.32 × 372,875.58
  4. Step 4: Simplify right side
    659,361.24x = 339,293,778,834.23
  5. Step 5: Solve for x
    x = 339,293,778,834.23/659,361.24
  6. Step 6: Final answer
    x = 514,579.50

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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.