Home / 554,400.32-831,703.04-175,416.45

Finding the Fourth Proportional to 554,400.32, 831,703.04 and 175,416.45

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Solution

The fourth proportional to 554,400.32, 831,703.04 and 175,416.45 is: 263,157.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,400.32 : 831,703.04 = 175,416.45 : x
  2. Step 2: Convert to fraction form
    554,400.32/831,703.04 = 175,416.45/x
  3. Step 3: Cross multiply
    554,400.32x = 831,703.04 × 175,416.45
  4. Step 4: Simplify right side
    554,400.32x = 145,894,393,853.93
  5. Step 5: Solve for x
    x = 145,894,393,853.93/554,400.32
  6. Step 6: Final answer
    x = 263,157.13

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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.