Home / 750,124.08-1,035,199.80-427,886.64

Finding the Fourth Proportional to 750,124.08, 1,035,199.80 and 427,886.64

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Solution

The fourth proportional to 750,124.08, 1,035,199.80 and 427,886.64 is: 590,499.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,124.08 : 1,035,199.80 = 427,886.64 : x
  2. Step 2: Convert to fraction form
    750,124.08/1,035,199.80 = 427,886.64/x
  3. Step 3: Cross multiply
    750,124.08x = 1,035,199.80 × 427,886.64
  4. Step 4: Simplify right side
    750,124.08x = 442,948,164,150.67
  5. Step 5: Solve for x
    x = 442,948,164,150.67/750,124.08
  6. Step 6: Final answer
    x = 590,499.86

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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.