Home / 936,607.72-1,292,518.74-506,890.96

Finding the Fourth Proportional to 936,607.72, 1,292,518.74 and 506,890.96

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Solution

The fourth proportional to 936,607.72, 1,292,518.74 and 506,890.96 is: 699,509.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,607.72 : 1,292,518.74 = 506,890.96 : x
  2. Step 2: Convert to fraction form
    936,607.72/1,292,518.74 = 506,890.96/x
  3. Step 3: Cross multiply
    936,607.72x = 1,292,518.74 × 506,890.96
  4. Step 4: Simplify right side
    936,607.72x = 655,166,064,936.59
  5. Step 5: Solve for x
    x = 655,166,064,936.59/936,607.72
  6. Step 6: Final answer
    x = 699,509.57

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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.