Home / 1,188,957.39-1,783,061.40-390,052.77

Finding the Fourth Proportional to 1,188,957.39, 1,783,061.40 and 390,052.77

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Solution

The fourth proportional to 1,188,957.39, 1,783,061.40 and 390,052.77 is: 584,956.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,957.39 : 1,783,061.40 = 390,052.77 : x
  2. Step 2: Convert to fraction form
    1,188,957.39/1,783,061.40 = 390,052.77/x
  3. Step 3: Cross multiply
    1,188,957.39x = 1,783,061.40 × 390,052.77
  4. Step 4: Simplify right side
    1,188,957.39x = 695,488,038,150.08
  5. Step 5: Solve for x
    x = 695,488,038,150.08/1,188,957.39
  6. Step 6: Final answer
    x = 584,956.23

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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.