Home / 910,030.80-1,365,046.20-626,595.60

Finding the Fourth Proportional to 910,030.80, 1,365,046.20 and 626,595.60

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Solution

The fourth proportional to 910,030.80, 1,365,046.20 and 626,595.60 is: 939,893.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,030.80 : 1,365,046.20 = 626,595.60 : x
  2. Step 2: Convert to fraction form
    910,030.80/1,365,046.20 = 626,595.60/x
  3. Step 3: Cross multiply
    910,030.80x = 1,365,046.20 × 626,595.60
  4. Step 4: Simplify right side
    910,030.80x = 855,331,942,716.72
  5. Step 5: Solve for x
    x = 855,331,942,716.72/910,030.80
  6. Step 6: Final answer
    x = 939,893.40

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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.