Home / 700,364.80-1,050,875.20-345,185.20

Finding the Fourth Proportional to 700,364.80, 1,050,875.20 and 345,185.20

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Solution

The fourth proportional to 700,364.80, 1,050,875.20 and 345,185.20 is: 517,939.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,364.80 : 1,050,875.20 = 345,185.20 : x
  2. Step 2: Convert to fraction form
    700,364.80/1,050,875.20 = 345,185.20/x
  3. Step 3: Cross multiply
    700,364.80x = 1,050,875.20 × 345,185.20
  4. Step 4: Simplify right side
    700,364.80x = 362,746,566,087.04
  5. Step 5: Solve for x
    x = 362,746,566,087.04/700,364.80
  6. Step 6: Final answer
    x = 517,939.46

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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.