Home / 910,196.76-1,256,066.19-528,215.34

Finding the Fourth Proportional to 910,196.76, 1,256,066.19 and 528,215.34

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Solution

The fourth proportional to 910,196.76, 1,256,066.19 and 528,215.34 is: 728,934.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,196.76 : 1,256,066.19 = 528,215.34 : x
  2. Step 2: Convert to fraction form
    910,196.76/1,256,066.19 = 528,215.34/x
  3. Step 3: Cross multiply
    910,196.76x = 1,256,066.19 × 528,215.34
  4. Step 4: Simplify right side
    910,196.76x = 663,473,434,323.60
  5. Step 5: Solve for x
    x = 663,473,434,323.60/910,196.76
  6. Step 6: Final answer
    x = 728,934.07

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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.