Home / 907,340.80-1,361,011.20-623,905.60

Finding the Fourth Proportional to 907,340.80, 1,361,011.20 and 623,905.60

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Solution

The fourth proportional to 907,340.80, 1,361,011.20 and 623,905.60 is: 935,858.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,340.80 : 1,361,011.20 = 623,905.60 : x
  2. Step 2: Convert to fraction form
    907,340.80/1,361,011.20 = 623,905.60/x
  3. Step 3: Cross multiply
    907,340.80x = 1,361,011.20 × 623,905.60
  4. Step 4: Simplify right side
    907,340.80x = 849,142,509,342.72
  5. Step 5: Solve for x
    x = 849,142,509,342.72/907,340.80
  6. Step 6: Final answer
    x = 935,858.40

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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.