Home / 936,205.72-1,291,956.60-506,484.52

Finding the Fourth Proportional to 936,205.72, 1,291,956.60 and 506,484.52

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Solution

The fourth proportional to 936,205.72, 1,291,956.60 and 506,484.52 is: 698,944.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,205.72 : 1,291,956.60 = 506,484.52 : x
  2. Step 2: Convert to fraction form
    936,205.72/1,291,956.60 = 506,484.52/x
  3. Step 3: Cross multiply
    936,205.72x = 1,291,956.60 × 506,484.52
  4. Step 4: Simplify right side
    936,205.72x = 654,356,018,411.83
  5. Step 5: Solve for x
    x = 654,356,018,411.83/936,205.72
  6. Step 6: Final answer
    x = 698,944.69

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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.