Home / 858,257.13-1,184,273.95-514,012.40

Finding the Fourth Proportional to 858,257.13, 1,184,273.95 and 514,012.40

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Solution

The fourth proportional to 858,257.13, 1,184,273.95 and 514,012.40 is: 709,264.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,257.13 : 1,184,273.95 = 514,012.40 : x
  2. Step 2: Convert to fraction form
    858,257.13/1,184,273.95 = 514,012.40/x
  3. Step 3: Cross multiply
    858,257.13x = 1,184,273.95 × 514,012.40
  4. Step 4: Simplify right side
    858,257.13x = 608,731,495,296.98
  5. Step 5: Solve for x
    x = 608,731,495,296.98/858,257.13
  6. Step 6: Final answer
    x = 709,264.71

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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.