Home / 1,036,645.40-1,430,081.58-606,659.48

Finding the Fourth Proportional to 1,036,645.40, 1,430,081.58 and 606,659.48

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Solution

The fourth proportional to 1,036,645.40, 1,430,081.58 and 606,659.48 is: 836,903.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,645.40 : 1,430,081.58 = 606,659.48 : x
  2. Step 2: Convert to fraction form
    1,036,645.40/1,430,081.58 = 606,659.48/x
  3. Step 3: Cross multiply
    1,036,645.40x = 1,430,081.58 × 606,659.48
  4. Step 4: Simplify right side
    1,036,645.40x = 867,572,547,680.38
  5. Step 5: Solve for x
    x = 867,572,547,680.38/1,036,645.40
  6. Step 6: Final answer
    x = 836,903.87

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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.