Home / 858,309.48-1,184,345.96-514,064.75

Finding the Fourth Proportional to 858,309.48, 1,184,345.96 and 514,064.75

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Solution

The fourth proportional to 858,309.48, 1,184,345.96 and 514,064.75 is: 709,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,309.48 : 1,184,345.96 = 514,064.75 : x
  2. Step 2: Convert to fraction form
    858,309.48/1,184,345.96 = 514,064.75/x
  3. Step 3: Cross multiply
    858,309.48x = 1,184,345.96 × 514,064.75
  4. Step 4: Simplify right side
    858,309.48x = 608,830,501,348.86
  5. Step 5: Solve for x
    x = 608,830,501,348.86/858,309.48
  6. Step 6: Final answer
    x = 709,336.80

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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.