Home / 1,355,724.48-1,870,902-752,112.48

Finding the Fourth Proportional to 1,355,724.48, 1,870,902 and 752,112.48

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Solution

The fourth proportional to 1,355,724.48, 1,870,902 and 752,112.48 is: 1,037,916.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,724.48 : 1,870,902 = 752,112.48 : x
  2. Step 2: Convert to fraction form
    1,355,724.48/1,870,902 = 752,112.48/x
  3. Step 3: Cross multiply
    1,355,724.48x = 1,870,902 × 752,112.48
  4. Step 4: Simplify right side
    1,355,724.48x = 1,407,128,743,056.96
  5. Step 5: Solve for x
    x = 1,407,128,743,056.96/1,355,724.48
  6. Step 6: Final answer
    x = 1,037,916.45

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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.