Home / 779,511.57-1,075,717.85-439,994.13

Finding the Fourth Proportional to 779,511.57, 1,075,717.85 and 439,994.13

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Solution

The fourth proportional to 779,511.57, 1,075,717.85 and 439,994.13 is: 607,187.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,511.57 : 1,075,717.85 = 439,994.13 : x
  2. Step 2: Convert to fraction form
    779,511.57/1,075,717.85 = 439,994.13/x
  3. Step 3: Cross multiply
    779,511.57x = 1,075,717.85 × 439,994.13
  4. Step 4: Simplify right side
    779,511.57x = 473,309,537,336.25
  5. Step 5: Solve for x
    x = 473,309,537,336.25/779,511.57
  6. Step 6: Final answer
    x = 607,187.32

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Double scale
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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.