Home / 832,458.50-1,148,792.74-450,485.28

Finding the Fourth Proportional to 832,458.50, 1,148,792.74 and 450,485.28

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Solution

The fourth proportional to 832,458.50, 1,148,792.74 and 450,485.28 is: 621,669.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,458.50 : 1,148,792.74 = 450,485.28 : x
  2. Step 2: Convert to fraction form
    832,458.50/1,148,792.74 = 450,485.28/x
  3. Step 3: Cross multiply
    832,458.50x = 1,148,792.74 × 450,485.28
  4. Step 4: Simplify right side
    832,458.50x = 517,514,219,140.87
  5. Step 5: Solve for x
    x = 517,514,219,140.87/832,458.50
  6. Step 6: Final answer
    x = 621,669.69

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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.