Home / 927,855.84-1,280,420.16-540,647.28

Finding the Fourth Proportional to 927,855.84, 1,280,420.16 and 540,647.28

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Solution

The fourth proportional to 927,855.84, 1,280,420.16 and 540,647.28 is: 746,081.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,855.84 : 1,280,420.16 = 540,647.28 : x
  2. Step 2: Convert to fraction form
    927,855.84/1,280,420.16 = 540,647.28/x
  3. Step 3: Cross multiply
    927,855.84x = 1,280,420.16 × 540,647.28
  4. Step 4: Simplify right side
    927,855.84x = 692,255,676,761.17
  5. Step 5: Solve for x
    x = 692,255,676,761.17/927,855.84
  6. Step 6: Final answer
    x = 746,081.07

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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.