Home / 778,943.70-1,168,415.55-401,030.10

Finding the Fourth Proportional to 778,943.70, 1,168,415.55 and 401,030.10

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Solution

The fourth proportional to 778,943.70, 1,168,415.55 and 401,030.10 is: 601,545.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,943.70 : 1,168,415.55 = 401,030.10 : x
  2. Step 2: Convert to fraction form
    778,943.70/1,168,415.55 = 401,030.10/x
  3. Step 3: Cross multiply
    778,943.70x = 1,168,415.55 × 401,030.10
  4. Step 4: Simplify right side
    778,943.70x = 468,569,804,858.06
  5. Step 5: Solve for x
    x = 468,569,804,858.06/778,943.70
  6. Step 6: Final answer
    x = 601,545.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.