Home / 907,340.60-1,361,010.90-623,905.40

Finding the Fourth Proportional to 907,340.60, 1,361,010.90 and 623,905.40

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Solution

The fourth proportional to 907,340.60, 1,361,010.90 and 623,905.40 is: 935,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,340.60 : 1,361,010.90 = 623,905.40 : x
  2. Step 2: Convert to fraction form
    907,340.60/1,361,010.90 = 623,905.40/x
  3. Step 3: Cross multiply
    907,340.60x = 1,361,010.90 × 623,905.40
  4. Step 4: Simplify right side
    907,340.60x = 849,142,049,968.86
  5. Step 5: Solve for x
    x = 849,142,049,968.86/907,340.60
  6. Step 6: Final answer
    x = 935,858.10

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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.