Home / 858,416.76-1,184,738.45-514,267.47

Finding the Fourth Proportional to 858,416.76, 1,184,738.45 and 514,267.47

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Solution

The fourth proportional to 858,416.76, 1,184,738.45 and 514,267.47 is: 709,762.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,416.76 : 1,184,738.45 = 514,267.47 : x
  2. Step 2: Convert to fraction form
    858,416.76/1,184,738.45 = 514,267.47/x
  3. Step 3: Cross multiply
    858,416.76x = 1,184,738.45 × 514,267.47
  4. Step 4: Simplify right side
    858,416.76x = 609,272,442,721.88
  5. Step 5: Solve for x
    x = 609,272,442,721.88/858,416.76
  6. Step 6: Final answer
    x = 709,762.99

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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.