Home / 936,341.80-1,400,455.31-551,172.71

Finding the Fourth Proportional to 936,341.80, 1,400,455.31 and 551,172.71

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Solution

The fourth proportional to 936,341.80, 1,400,455.31 and 551,172.71 is: 824,370.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,341.80 : 1,400,455.31 = 551,172.71 : x
  2. Step 2: Convert to fraction form
    936,341.80/1,400,455.31 = 551,172.71/x
  3. Step 3: Cross multiply
    936,341.80x = 1,400,455.31 × 551,172.71
  4. Step 4: Simplify right side
    936,341.80x = 771,892,749,903.60
  5. Step 5: Solve for x
    x = 771,892,749,903.60/936,341.80
  6. Step 6: Final answer
    x = 824,370.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.