Home / 692,199.60-1,036,225.80-411,572.40

Finding the Fourth Proportional to 692,199.60, 1,036,225.80 and 411,572.40

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Solution

The fourth proportional to 692,199.60, 1,036,225.80 and 411,572.40 is: 616,125.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,199.60 : 1,036,225.80 = 411,572.40 : x
  2. Step 2: Convert to fraction form
    692,199.60/1,036,225.80 = 411,572.40/x
  3. Step 3: Cross multiply
    692,199.60x = 1,036,225.80 × 411,572.40
  4. Step 4: Simplify right side
    692,199.60x = 426,481,939,447.92
  5. Step 5: Solve for x
    x = 426,481,939,447.92/692,199.60
  6. Step 6: Final answer
    x = 616,125.67

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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.