Home / 956,421.64-1,319,841.78-526,705.30

Finding the Fourth Proportional to 956,421.64, 1,319,841.78 and 526,705.30

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Solution

The fourth proportional to 956,421.64, 1,319,841.78 and 526,705.30 is: 726,842.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,421.64 : 1,319,841.78 = 526,705.30 : x
  2. Step 2: Convert to fraction form
    956,421.64/1,319,841.78 = 526,705.30/x
  3. Step 3: Cross multiply
    956,421.64x = 1,319,841.78 × 526,705.30
  4. Step 4: Simplify right side
    956,421.64x = 695,167,660,687.43
  5. Step 5: Solve for x
    x = 695,167,660,687.43/956,421.64
  6. Step 6: Final answer
    x = 726,842.25

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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.