Home / 623,933.40-935,900.10-557,448.60

Finding the Fourth Proportional to 623,933.40, 935,900.10 and 557,448.60

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Solution

The fourth proportional to 623,933.40, 935,900.10 and 557,448.60 is: 836,172.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,933.40 : 935,900.10 = 557,448.60 : x
  2. Step 2: Convert to fraction form
    623,933.40/935,900.10 = 557,448.60/x
  3. Step 3: Cross multiply
    623,933.40x = 935,900.10 × 557,448.60
  4. Step 4: Simplify right side
    623,933.40x = 521,716,200,484.86
  5. Step 5: Solve for x
    x = 521,716,200,484.86/623,933.40
  6. Step 6: Final answer
    x = 836,172.90

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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.