Home / 910,400.40-1,365,600.60-556,106.40

Finding the Fourth Proportional to 910,400.40, 1,365,600.60 and 556,106.40

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Solution

The fourth proportional to 910,400.40, 1,365,600.60 and 556,106.40 is: 834,159.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,400.40 : 1,365,600.60 = 556,106.40 : x
  2. Step 2: Convert to fraction form
    910,400.40/1,365,600.60 = 556,106.40/x
  3. Step 3: Cross multiply
    910,400.40x = 1,365,600.60 × 556,106.40
  4. Step 4: Simplify right side
    910,400.40x = 759,419,233,503.84
  5. Step 5: Solve for x
    x = 759,419,233,503.84/910,400.40
  6. Step 6: Final answer
    x = 834,159.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.