Home / 788,347.66-1,178,201.38-575,563.72

Finding the Fourth Proportional to 788,347.66, 1,178,201.38 and 575,563.72

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Solution

The fourth proportional to 788,347.66, 1,178,201.38 and 575,563.72 is: 860,191.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,347.66 : 1,178,201.38 = 575,563.72 : x
  2. Step 2: Convert to fraction form
    788,347.66/1,178,201.38 = 575,563.72/x
  3. Step 3: Cross multiply
    788,347.66x = 1,178,201.38 × 575,563.72
  4. Step 4: Simplify right side
    788,347.66x = 678,129,969,181.93
  5. Step 5: Solve for x
    x = 678,129,969,181.93/788,347.66
  6. Step 6: Final answer
    x = 860,191.52

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.