Home / 927,205.60-1,390,808.40-805,554.40

Finding the Fourth Proportional to 927,205.60, 1,390,808.40 and 805,554.40

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Solution

The fourth proportional to 927,205.60, 1,390,808.40 and 805,554.40 is: 1,208,331.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,205.60 : 1,390,808.40 = 805,554.40 : x
  2. Step 2: Convert to fraction form
    927,205.60/1,390,808.40 = 805,554.40/x
  3. Step 3: Cross multiply
    927,205.60x = 1,390,808.40 × 805,554.40
  4. Step 4: Simplify right side
    927,205.60x = 1,120,371,826,176.96
  5. Step 5: Solve for x
    x = 1,120,371,826,176.96/927,205.60
  6. Step 6: Final answer
    x = 1,208,331.60

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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.