Home / 806,569.34-1,113,090.78-439,070.95

Finding the Fourth Proportional to 806,569.34, 1,113,090.78 and 439,070.95

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Solution

The fourth proportional to 806,569.34, 1,113,090.78 and 439,070.95 is: 605,931.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,569.34 : 1,113,090.78 = 439,070.95 : x
  2. Step 2: Convert to fraction form
    806,569.34/1,113,090.78 = 439,070.95/x
  3. Step 3: Cross multiply
    806,569.34x = 1,113,090.78 × 439,070.95
  4. Step 4: Simplify right side
    806,569.34x = 488,725,826,210.84
  5. Step 5: Solve for x
    x = 488,725,826,210.84/806,569.34
  6. Step 6: Final answer
    x = 605,931.57

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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.