Home / 572,558.40-858,837.60-520,070.40

Finding the Fourth Proportional to 572,558.40, 858,837.60 and 520,070.40

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Solution

The fourth proportional to 572,558.40, 858,837.60 and 520,070.40 is: 780,105.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,558.40 : 858,837.60 = 520,070.40 : x
  2. Step 2: Convert to fraction form
    572,558.40/858,837.60 = 520,070.40/x
  3. Step 3: Cross multiply
    572,558.40x = 858,837.60 × 520,070.40
  4. Step 4: Simplify right side
    572,558.40x = 446,656,014,167.04
  5. Step 5: Solve for x
    x = 446,656,014,167.04/572,558.40
  6. Step 6: Final answer
    x = 780,105.60

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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.