Home / 759,311.34-1,047,816.45-437,031.78

Finding the Fourth Proportional to 759,311.34, 1,047,816.45 and 437,031.78

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Solution

The fourth proportional to 759,311.34, 1,047,816.45 and 437,031.78 is: 603,084.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,311.34 : 1,047,816.45 = 437,031.78 : x
  2. Step 2: Convert to fraction form
    759,311.34/1,047,816.45 = 437,031.78/x
  3. Step 3: Cross multiply
    759,311.34x = 1,047,816.45 × 437,031.78
  4. Step 4: Simplify right side
    759,311.34x = 457,929,088,256.78
  5. Step 5: Solve for x
    x = 457,929,088,256.78/759,311.34
  6. Step 6: Final answer
    x = 603,084.75

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.