Home / 783,684.32-1,080,483.14-507,554.34

Finding the Fourth Proportional to 783,684.32, 1,080,483.14 and 507,554.34

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Solution

The fourth proportional to 783,684.32, 1,080,483.14 and 507,554.34 is: 699,776.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,684.32 : 1,080,483.14 = 507,554.34 : x
  2. Step 2: Convert to fraction form
    783,684.32/1,080,483.14 = 507,554.34/x
  3. Step 3: Cross multiply
    783,684.32x = 1,080,483.14 × 507,554.34
  4. Step 4: Simplify right side
    783,684.32x = 548,403,907,003.83
  5. Step 5: Solve for x
    x = 548,403,907,003.83/783,684.32
  6. Step 6: Final answer
    x = 699,776.55

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Double scale
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1.5x scale

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.