Home / 858,000.70-1,184,018.37-470,814.92

Finding the Fourth Proportional to 858,000.70, 1,184,018.37 and 470,814.92

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Solution

The fourth proportional to 858,000.70, 1,184,018.37 and 470,814.92 is: 649,712.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,000.70 : 1,184,018.37 = 470,814.92 : x
  2. Step 2: Convert to fraction form
    858,000.70/1,184,018.37 = 470,814.92/x
  3. Step 3: Cross multiply
    858,000.70x = 1,184,018.37 × 470,814.92
  4. Step 4: Simplify right side
    858,000.70x = 557,453,514,150.08
  5. Step 5: Solve for x
    x = 557,453,514,150.08/858,000.70
  6. Step 6: Final answer
    x = 649,712.19

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Double scale
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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.