Home / 982,880.86-1,356,794.12-660,777.77

Finding the Fourth Proportional to 982,880.86, 1,356,794.12 and 660,777.77

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Solution

The fourth proportional to 982,880.86, 1,356,794.12 and 660,777.77 is: 912,154.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,880.86 : 1,356,794.12 = 660,777.77 : x
  2. Step 2: Convert to fraction form
    982,880.86/1,356,794.12 = 660,777.77/x
  3. Step 3: Cross multiply
    982,880.86x = 1,356,794.12 × 660,777.77
  4. Step 4: Simplify right side
    982,880.86x = 896,539,392,962.71
  5. Step 5: Solve for x
    x = 896,539,392,962.71/982,880.86
  6. Step 6: Final answer
    x = 912,154.70

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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.