Home / 956,420.64-1,319,840.40-526,704.30

Finding the Fourth Proportional to 956,420.64, 1,319,840.40 and 526,704.30

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Solution

The fourth proportional to 956,420.64, 1,319,840.40 and 526,704.30 is: 726,840.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,420.64 : 1,319,840.40 = 526,704.30 : x
  2. Step 2: Convert to fraction form
    956,420.64/1,319,840.40 = 526,704.30/x
  3. Step 3: Cross multiply
    956,420.64x = 1,319,840.40 × 526,704.30
  4. Step 4: Simplify right side
    956,420.64x = 695,165,613,993.72
  5. Step 5: Solve for x
    x = 695,165,613,993.72/956,420.64
  6. Step 6: Final answer
    x = 726,840.87

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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.