Home / 1,138,032.55-1,570,466.58-621,775.35

Finding the Fourth Proportional to 1,138,032.55, 1,570,466.58 and 621,775.35

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Solution

The fourth proportional to 1,138,032.55, 1,570,466.58 and 621,775.35 is: 858,039.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,032.55 : 1,570,466.58 = 621,775.35 : x
  2. Step 2: Convert to fraction form
    1,138,032.55/1,570,466.58 = 621,775.35/x
  3. Step 3: Cross multiply
    1,138,032.55x = 1,570,466.58 × 621,775.35
  4. Step 4: Simplify right side
    1,138,032.55x = 976,477,407,442.80
  5. Step 5: Solve for x
    x = 976,477,407,442.80/1,138,032.55
  6. Step 6: Final answer
    x = 858,039.97

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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.