Home / 985,356.18-1,478,034.27-353,925.54

Finding the Fourth Proportional to 985,356.18, 1,478,034.27 and 353,925.54

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Solution

The fourth proportional to 985,356.18, 1,478,034.27 and 353,925.54 is: 530,888.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,356.18 : 1,478,034.27 = 353,925.54 : x
  2. Step 2: Convert to fraction form
    985,356.18/1,478,034.27 = 353,925.54/x
  3. Step 3: Cross multiply
    985,356.18x = 1,478,034.27 × 353,925.54
  4. Step 4: Simplify right side
    985,356.18x = 523,114,077,148.26
  5. Step 5: Solve for x
    x = 523,114,077,148.26/985,356.18
  6. Step 6: Final answer
    x = 530,888.31

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Similar ratio
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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.