Home / 1,047,599.44-1,445,696.76-634,145.72

Finding the Fourth Proportional to 1,047,599.44, 1,445,696.76 and 634,145.72

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Solution

The fourth proportional to 1,047,599.44, 1,445,696.76 and 634,145.72 is: 875,126.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,599.44 : 1,445,696.76 = 634,145.72 : x
  2. Step 2: Convert to fraction form
    1,047,599.44/1,445,696.76 = 634,145.72/x
  3. Step 3: Cross multiply
    1,047,599.44x = 1,445,696.76 × 634,145.72
  4. Step 4: Simplify right side
    1,047,599.44x = 916,782,407,572.26
  5. Step 5: Solve for x
    x = 916,782,407,572.26/1,047,599.44
  6. Step 6: Final answer
    x = 875,126.86

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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.