Home / 761,084.12-1,049,571.35-455,110.67

Finding the Fourth Proportional to 761,084.12, 1,049,571.35 and 455,110.67

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Solution

The fourth proportional to 761,084.12, 1,049,571.35 and 455,110.67 is: 627,619.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,084.12 : 1,049,571.35 = 455,110.67 : x
  2. Step 2: Convert to fraction form
    761,084.12/1,049,571.35 = 455,110.67/x
  3. Step 3: Cross multiply
    761,084.12x = 1,049,571.35 × 455,110.67
  4. Step 4: Simplify right side
    761,084.12x = 477,671,115,182.51
  5. Step 5: Solve for x
    x = 477,671,115,182.51/761,084.12
  6. Step 6: Final answer
    x = 627,619.35

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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.