Home / 1,048,152.54-1,570,779.90-478,143.78

Finding the Fourth Proportional to 1,048,152.54, 1,570,779.90 and 478,143.78

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Solution

The fourth proportional to 1,048,152.54, 1,570,779.90 and 478,143.78 is: 716,554.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,152.54 : 1,570,779.90 = 478,143.78 : x
  2. Step 2: Convert to fraction form
    1,048,152.54/1,570,779.90 = 478,143.78/x
  3. Step 3: Cross multiply
    1,048,152.54x = 1,570,779.90 × 478,143.78
  4. Step 4: Simplify right side
    1,048,152.54x = 751,058,638,934.02
  5. Step 5: Solve for x
    x = 751,058,638,934.02/1,048,152.54
  6. Step 6: Final answer
    x = 716,554.71

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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.