Home / 858,572.76-1,184,953.62-514,422.36

Finding the Fourth Proportional to 858,572.76, 1,184,953.62 and 514,422.36

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Solution

The fourth proportional to 858,572.76, 1,184,953.62 and 514,422.36 is: 709,976.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,572.76 : 1,184,953.62 = 514,422.36 : x
  2. Step 2: Convert to fraction form
    858,572.76/1,184,953.62 = 514,422.36/x
  3. Step 3: Cross multiply
    858,572.76x = 1,184,953.62 × 514,422.36
  4. Step 4: Simplify right side
    858,572.76x = 609,566,637,690.94
  5. Step 5: Solve for x
    x = 609,566,637,690.94/858,572.76
  6. Step 6: Final answer
    x = 709,976.68

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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.