Home / 1,630,967.40-2,250,787.50-905,823.81

Finding the Fourth Proportional to 1,630,967.40, 2,250,787.50 and 905,823.81

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Solution

The fourth proportional to 1,630,967.40, 2,250,787.50 and 905,823.81 is: 1,250,066.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,967.40 : 2,250,787.50 = 905,823.81 : x
  2. Step 2: Convert to fraction form
    1,630,967.40/2,250,787.50 = 905,823.81/x
  3. Step 3: Cross multiply
    1,630,967.40x = 2,250,787.50 × 905,823.81
  4. Step 4: Simplify right side
    1,630,967.40x = 2,038,816,908,750.38
  5. Step 5: Solve for x
    x = 2,038,816,908,750.38/1,630,967.40
  6. Step 6: Final answer
    x = 1,250,066.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.