Home / 1,039,389.50-1,434,357.60-586,709.66

Finding the Fourth Proportional to 1,039,389.50, 1,434,357.60 and 586,709.66

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Solution

The fourth proportional to 1,039,389.50, 1,434,357.60 and 586,709.66 is: 809,659.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,389.50 : 1,434,357.60 = 586,709.66 : x
  2. Step 2: Convert to fraction form
    1,039,389.50/1,434,357.60 = 586,709.66/x
  3. Step 3: Cross multiply
    1,039,389.50x = 1,434,357.60 × 586,709.66
  4. Step 4: Simplify right side
    1,039,389.50x = 841,551,459,814.42
  5. Step 5: Solve for x
    x = 841,551,459,814.42/1,039,389.50
  6. Step 6: Final answer
    x = 809,659.38

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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.