Home / 1,155,020.22-1,593,882-638,740.62

Finding the Fourth Proportional to 1,155,020.22, 1,593,882 and 638,740.62

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Solution

The fourth proportional to 1,155,020.22, 1,593,882 and 638,740.62 is: 881,436.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,020.22 : 1,593,882 = 638,740.62 : x
  2. Step 2: Convert to fraction form
    1,155,020.22/1,593,882 = 638,740.62/x
  3. Step 3: Cross multiply
    1,155,020.22x = 1,593,882 × 638,740.62
  4. Step 4: Simplify right side
    1,155,020.22x = 1,018,077,176,886.84
  5. Step 5: Solve for x
    x = 1,018,077,176,886.84/1,155,020.22
  6. Step 6: Final answer
    x = 881,436.67

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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.