Home / 762,004.16-1,142,206.16-256,389.60

Finding the Fourth Proportional to 762,004.16, 1,142,206.16 and 256,389.60

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Solution

The fourth proportional to 762,004.16, 1,142,206.16 and 256,389.60 is: 384,315.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,004.16 : 1,142,206.16 = 256,389.60 : x
  2. Step 2: Convert to fraction form
    762,004.16/1,142,206.16 = 256,389.60/x
  3. Step 3: Cross multiply
    762,004.16x = 1,142,206.16 × 256,389.60
  4. Step 4: Simplify right side
    762,004.16x = 292,849,784,923.45
  5. Step 5: Solve for x
    x = 292,849,784,923.45/762,004.16
  6. Step 6: Final answer
    x = 384,315.21

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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.