Home / 7,628,320.32-10,527,089.04-4,190,784

Finding the Fourth Proportional to 7,628,320.32, 10,527,089.04 and 4,190,784

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Solution

The fourth proportional to 7,628,320.32, 10,527,089.04 and 4,190,784 is: 5,783,285.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,628,320.32 : 10,527,089.04 = 4,190,784 : x
  2. Step 2: Convert to fraction form
    7,628,320.32/10,527,089.04 = 4,190,784/x
  3. Step 3: Cross multiply
    7,628,320.32x = 10,527,089.04 × 4,190,784
  4. Step 4: Simplify right side
    7,628,320.32x = 44,116,756,315,407.36
  5. Step 5: Solve for x
    x = 44,116,756,315,407.36/7,628,320.32
  6. Step 6: Final answer
    x = 5,783,285.76

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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.