Home / 907,890.40-1,361,835.60-553,596.40

Finding the Fourth Proportional to 907,890.40, 1,361,835.60 and 553,596.40

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Solution

The fourth proportional to 907,890.40, 1,361,835.60 and 553,596.40 is: 830,394.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,890.40 : 1,361,835.60 = 553,596.40 : x
  2. Step 2: Convert to fraction form
    907,890.40/1,361,835.60 = 553,596.40/x
  3. Step 3: Cross multiply
    907,890.40x = 1,361,835.60 × 553,596.40
  4. Step 4: Simplify right side
    907,890.40x = 753,907,285,551.84
  5. Step 5: Solve for x
    x = 753,907,285,551.84/907,890.40
  6. Step 6: Final answer
    x = 830,394.60

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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.