Home / 985,051.84-1,477,661.60-310,952.80

Finding the Fourth Proportional to 985,051.84, 1,477,661.60 and 310,952.80

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Solution

The fourth proportional to 985,051.84, 1,477,661.60 and 310,952.80 is: 466,455.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,051.84 : 1,477,661.60 = 310,952.80 : x
  2. Step 2: Convert to fraction form
    985,051.84/1,477,661.60 = 310,952.80/x
  3. Step 3: Cross multiply
    985,051.84x = 1,477,661.60 × 310,952.80
  4. Step 4: Simplify right side
    985,051.84x = 459,483,011,972.48
  5. Step 5: Solve for x
    x = 459,483,011,972.48/985,051.84
  6. Step 6: Final answer
    x = 466,455.67

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Double scale
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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.