Home / 579,368.46-869,118.30-519,838.32

Finding the Fourth Proportional to 579,368.46, 869,118.30 and 519,838.32

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Solution

The fourth proportional to 579,368.46, 869,118.30 and 519,838.32 is: 779,816.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,368.46 : 869,118.30 = 519,838.32 : x
  2. Step 2: Convert to fraction form
    579,368.46/869,118.30 = 519,838.32/x
  3. Step 3: Cross multiply
    579,368.46x = 869,118.30 × 519,838.32
  4. Step 4: Simplify right side
    579,368.46x = 451,800,996,953.26
  5. Step 5: Solve for x
    x = 451,800,996,953.26/579,368.46
  6. Step 6: Final answer
    x = 779,816.35

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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.