Home / 762,547.10-1,143,492.60-383,321.30

Finding the Fourth Proportional to 762,547.10, 1,143,492.60 and 383,321.30

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Solution

The fourth proportional to 762,547.10, 1,143,492.60 and 383,321.30 is: 574,817.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,547.10 : 1,143,492.60 = 383,321.30 : x
  2. Step 2: Convert to fraction form
    762,547.10/1,143,492.60 = 383,321.30/x
  3. Step 3: Cross multiply
    762,547.10x = 1,143,492.60 × 383,321.30
  4. Step 4: Simplify right side
    762,547.10x = 438,325,069,972.38
  5. Step 5: Solve for x
    x = 438,325,069,972.38/762,547.10
  6. Step 6: Final answer
    x = 574,817.04

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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.