Home / 858,266.90-1,184,287.40-514,022.16

Finding the Fourth Proportional to 858,266.90, 1,184,287.40 and 514,022.16

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Solution

The fourth proportional to 858,266.90, 1,184,287.40 and 514,022.16 is: 709,278.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,266.90 : 1,184,287.40 = 514,022.16 : x
  2. Step 2: Convert to fraction form
    858,266.90/1,184,287.40 = 514,022.16/x
  3. Step 3: Cross multiply
    858,266.90x = 1,184,287.40 × 514,022.16
  4. Step 4: Simplify right side
    858,266.90x = 608,749,967,408.78
  5. Step 5: Solve for x
    x = 608,749,967,408.78/858,266.90
  6. Step 6: Final answer
    x = 709,278.16

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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.