Home / 1,038,083.28-1,432,557-561,155.28

Finding the Fourth Proportional to 1,038,083.28, 1,432,557 and 561,155.28

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Solution

The fourth proportional to 1,038,083.28, 1,432,557 and 561,155.28 is: 774,395.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,083.28 : 1,432,557 = 561,155.28 : x
  2. Step 2: Convert to fraction form
    1,038,083.28/1,432,557 = 561,155.28/x
  3. Step 3: Cross multiply
    1,038,083.28x = 1,432,557 × 561,155.28
  4. Step 4: Simplify right side
    1,038,083.28x = 803,886,924,450.96
  5. Step 5: Solve for x
    x = 803,886,924,450.96/1,038,083.28
  6. Step 6: Final answer
    x = 774,395.41

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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.