Home / 841,985.32-1,162,272.18-519,825.64

Finding the Fourth Proportional to 841,985.32, 1,162,272.18 and 519,825.64

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Solution

The fourth proportional to 841,985.32, 1,162,272.18 and 519,825.64 is: 717,564.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,985.32 : 1,162,272.18 = 519,825.64 : x
  2. Step 2: Convert to fraction form
    841,985.32/1,162,272.18 = 519,825.64/x
  3. Step 3: Cross multiply
    841,985.32x = 1,162,272.18 × 519,825.64
  4. Step 4: Simplify right side
    841,985.32x = 604,178,879,822.70
  5. Step 5: Solve for x
    x = 604,178,879,822.70/841,985.32
  6. Step 6: Final answer
    x = 717,564.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.