Home / 1,112,724-1,535,559.12-603,426.78

Finding the Fourth Proportional to 1,112,724, 1,535,559.12 and 603,426.78

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Solution

The fourth proportional to 1,112,724, 1,535,559.12 and 603,426.78 is: 832,728.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,724 : 1,535,559.12 = 603,426.78 : x
  2. Step 2: Convert to fraction form
    1,112,724/1,535,559.12 = 603,426.78/x
  3. Step 3: Cross multiply
    1,112,724x = 1,535,559.12 × 603,426.78
  4. Step 4: Simplify right side
    1,112,724x = 926,597,495,281.23
  5. Step 5: Solve for x
    x = 926,597,495,281.23/1,112,724
  6. Step 6: Final answer
    x = 832,728.96

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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.