Home / 1,123,678.47-1,685,533.28-365,523.92

Finding the Fourth Proportional to 1,123,678.47, 1,685,533.28 and 365,523.92

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Solution

The fourth proportional to 1,123,678.47, 1,685,533.28 and 365,523.92 is: 548,290.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,678.47 : 1,685,533.28 = 365,523.92 : x
  2. Step 2: Convert to fraction form
    1,123,678.47/1,685,533.28 = 365,523.92/x
  3. Step 3: Cross multiply
    1,123,678.47x = 1,685,533.28 × 365,523.92
  4. Step 4: Simplify right side
    1,123,678.47x = 616,102,724,149.00
  5. Step 5: Solve for x
    x = 616,102,724,149.00/1,123,678.47
  6. Step 6: Final answer
    x = 548,290.94

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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.