Home / 1,058,535.39-1,587,804.35-290,039.66

Finding the Fourth Proportional to 1,058,535.39, 1,587,804.35 and 290,039.66

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Solution

The fourth proportional to 1,058,535.39, 1,587,804.35 and 290,039.66 is: 435,059.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,535.39 : 1,587,804.35 = 290,039.66 : x
  2. Step 2: Convert to fraction form
    1,058,535.39/1,587,804.35 = 290,039.66/x
  3. Step 3: Cross multiply
    1,058,535.39x = 1,587,804.35 × 290,039.66
  4. Step 4: Simplify right side
    1,058,535.39x = 460,526,233,820.52
  5. Step 5: Solve for x
    x = 460,526,233,820.52/1,058,535.39
  6. Step 6: Final answer
    x = 435,059.84

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Double scale
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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.