Home / 858,000.33-1,184,017.85-470,814.55

Finding the Fourth Proportional to 858,000.33, 1,184,017.85 and 470,814.55

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Solution

The fourth proportional to 858,000.33, 1,184,017.85 and 470,814.55 is: 649,711.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,000.33 : 1,184,017.85 = 470,814.55 : x
  2. Step 2: Convert to fraction form
    858,000.33/1,184,017.85 = 470,814.55/x
  3. Step 3: Cross multiply
    858,000.33x = 1,184,017.85 × 470,814.55
  4. Step 4: Simplify right side
    858,000.33x = 557,452,826,496.67
  5. Step 5: Solve for x
    x = 557,452,826,496.67/858,000.33
  6. Step 6: Final answer
    x = 649,711.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.