Home / 1,587,798.78-2,191,153.02-934,804.32

Finding the Fourth Proportional to 1,587,798.78, 2,191,153.02 and 934,804.32

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Solution

The fourth proportional to 1,587,798.78, 2,191,153.02 and 934,804.32 is: 1,290,024.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,798.78 : 2,191,153.02 = 934,804.32 : x
  2. Step 2: Convert to fraction form
    1,587,798.78/2,191,153.02 = 934,804.32/x
  3. Step 3: Cross multiply
    1,587,798.78x = 2,191,153.02 × 934,804.32
  4. Step 4: Simplify right side
    1,587,798.78x = 2,048,299,308,877.05
  5. Step 5: Solve for x
    x = 2,048,299,308,877.05/1,587,798.78
  6. Step 6: Final answer
    x = 1,290,024.49

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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.