Home / 985,616.61-1,477,859.01-385,875.60

Finding the Fourth Proportional to 985,616.61, 1,477,859.01 and 385,875.60

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Solution

The fourth proportional to 985,616.61, 1,477,859.01 and 385,875.60 is: 578,591.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,616.61 : 1,477,859.01 = 385,875.60 : x
  2. Step 2: Convert to fraction form
    985,616.61/1,477,859.01 = 385,875.60/x
  3. Step 3: Cross multiply
    985,616.61x = 1,477,859.01 × 385,875.60
  4. Step 4: Simplify right side
    985,616.61x = 570,269,732,199.16
  5. Step 5: Solve for x
    x = 570,269,732,199.16/985,616.61
  6. Step 6: Final answer
    x = 578,591.84

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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.