Home / 569,829.06-786,322.62-315,184.50

Finding the Fourth Proportional to 569,829.06, 786,322.62 and 315,184.50

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Solution

The fourth proportional to 569,829.06, 786,322.62 and 315,184.50 is: 434,931.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,829.06 : 786,322.62 = 315,184.50 : x
  2. Step 2: Convert to fraction form
    569,829.06/786,322.62 = 315,184.50/x
  3. Step 3: Cross multiply
    569,829.06x = 786,322.62 × 315,184.50
  4. Step 4: Simplify right side
    569,829.06x = 247,836,701,823.39
  5. Step 5: Solve for x
    x = 247,836,701,823.39/569,829.06
  6. Step 6: Final answer
    x = 434,931.66

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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.