Home / 927,281.60-1,390,922.40-805,630.40

Finding the Fourth Proportional to 927,281.60, 1,390,922.40 and 805,630.40

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Solution

The fourth proportional to 927,281.60, 1,390,922.40 and 805,630.40 is: 1,208,445.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,281.60 : 1,390,922.40 = 805,630.40 : x
  2. Step 2: Convert to fraction form
    927,281.60/1,390,922.40 = 805,630.40/x
  3. Step 3: Cross multiply
    927,281.60x = 1,390,922.40 × 805,630.40
  4. Step 4: Simplify right side
    927,281.60x = 1,120,569,369,480.96
  5. Step 5: Solve for x
    x = 1,120,569,369,480.96/927,281.60
  6. Step 6: Final answer
    x = 1,208,445.60

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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.