Home / 790,513.02-1,090,901.52-427,929.48

Finding the Fourth Proportional to 790,513.02, 1,090,901.52 and 427,929.48

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Solution

The fourth proportional to 790,513.02, 1,090,901.52 and 427,929.48 is: 590,539.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,513.02 : 1,090,901.52 = 427,929.48 : x
  2. Step 2: Convert to fraction form
    790,513.02/1,090,901.52 = 427,929.48/x
  3. Step 3: Cross multiply
    790,513.02x = 1,090,901.52 × 427,929.48
  4. Step 4: Simplify right side
    790,513.02x = 466,828,920,184.81
  5. Step 5: Solve for x
    x = 466,828,920,184.81/790,513.02
  6. Step 6: Final answer
    x = 590,539.19

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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.