Home / 1,030,748.09-1,546,220.51-320,585.45

Finding the Fourth Proportional to 1,030,748.09, 1,546,220.51 and 320,585.45

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Solution

The fourth proportional to 1,030,748.09, 1,546,220.51 and 320,585.45 is: 480,908.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,748.09 : 1,546,220.51 = 320,585.45 : x
  2. Step 2: Convert to fraction form
    1,030,748.09/1,546,220.51 = 320,585.45/x
  3. Step 3: Cross multiply
    1,030,748.09x = 1,546,220.51 × 320,585.45
  4. Step 4: Simplify right side
    1,030,748.09x = 495,695,789,865.75
  5. Step 5: Solve for x
    x = 495,695,789,865.75/1,030,748.09
  6. Step 6: Final answer
    x = 480,908.77

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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.