Home / 614,190.40-921,868.80-377,994.40

Finding the Fourth Proportional to 614,190.40, 921,868.80 and 377,994.40

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Solution

The fourth proportional to 614,190.40, 921,868.80 and 377,994.40 is: 567,350.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,190.40 : 921,868.80 = 377,994.40 : x
  2. Step 2: Convert to fraction form
    614,190.40/921,868.80 = 377,994.40/x
  3. Step 3: Cross multiply
    614,190.40x = 921,868.80 × 377,994.40
  4. Step 4: Simplify right side
    614,190.40x = 348,461,243,934.72
  5. Step 5: Solve for x
    x = 348,461,243,934.72/614,190.40
  6. Step 6: Final answer
    x = 567,350.52

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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.