Home / 1,038,347.28-1,432,364.04-716,216.76

Finding the Fourth Proportional to 1,038,347.28, 1,432,364.04 and 716,216.76

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Solution

The fourth proportional to 1,038,347.28, 1,432,364.04 and 716,216.76 is: 987,996.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,347.28 : 1,432,364.04 = 716,216.76 : x
  2. Step 2: Convert to fraction form
    1,038,347.28/1,432,364.04 = 716,216.76/x
  3. Step 3: Cross multiply
    1,038,347.28x = 1,432,364.04 × 716,216.76
  4. Step 4: Simplify right side
    1,038,347.28x = 1,025,883,131,869.31
  5. Step 5: Solve for x
    x = 1,025,883,131,869.31/1,038,347.28
  6. Step 6: Final answer
    x = 987,996.17

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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.