Home / 556,733.05-839,271.48-519,656.55

Finding the Fourth Proportional to 556,733.05, 839,271.48 and 519,656.55

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Solution

The fourth proportional to 556,733.05, 839,271.48 and 519,656.55 is: 783,378.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,733.05 : 839,271.48 = 519,656.55 : x
  2. Step 2: Convert to fraction form
    556,733.05/839,271.48 = 519,656.55/x
  3. Step 3: Cross multiply
    556,733.05x = 839,271.48 × 519,656.55
  4. Step 4: Simplify right side
    556,733.05x = 436,132,916,714.21
  5. Step 5: Solve for x
    x = 436,132,916,714.21/556,733.05
  6. Step 6: Final answer
    x = 783,378.89

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.