Home / 869,354.10-1,301,266.35-620,522.10

Finding the Fourth Proportional to 869,354.10, 1,301,266.35 and 620,522.10

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Solution

The fourth proportional to 869,354.10, 1,301,266.35 and 620,522.10 is: 928,809.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,354.10 : 1,301,266.35 = 620,522.10 : x
  2. Step 2: Convert to fraction form
    869,354.10/1,301,266.35 = 620,522.10/x
  3. Step 3: Cross multiply
    869,354.10x = 1,301,266.35 × 620,522.10
  4. Step 4: Simplify right side
    869,354.10x = 807,464,528,161.34
  5. Step 5: Solve for x
    x = 807,464,528,161.34/869,354.10
  6. Step 6: Final answer
    x = 928,809.71

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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.