Home / 956,608.40-1,320,128.52-526,890.08

Finding the Fourth Proportional to 956,608.40, 1,320,128.52 and 526,890.08

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Solution

The fourth proportional to 956,608.40, 1,320,128.52 and 526,890.08 is: 727,113.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,608.40 : 1,320,128.52 = 526,890.08 : x
  2. Step 2: Convert to fraction form
    956,608.40/1,320,128.52 = 526,890.08/x
  3. Step 3: Cross multiply
    956,608.40x = 1,320,128.52 × 526,890.08
  4. Step 4: Simplify right side
    956,608.40x = 695,562,621,513.08
  5. Step 5: Solve for x
    x = 695,562,621,513.08/956,608.40
  6. Step 6: Final answer
    x = 727,113.23

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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.