Home / 761,441.60-1,050,790.65-417,222.84

Finding the Fourth Proportional to 761,441.60, 1,050,790.65 and 417,222.84

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Solution

The fourth proportional to 761,441.60, 1,050,790.65 and 417,222.84 is: 575,768.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,441.60 : 1,050,790.65 = 417,222.84 : x
  2. Step 2: Convert to fraction form
    761,441.60/1,050,790.65 = 417,222.84/x
  3. Step 3: Cross multiply
    761,441.60x = 1,050,790.65 × 417,222.84
  4. Step 4: Simplify right side
    761,441.60x = 438,413,859,238.45
  5. Step 5: Solve for x
    x = 438,413,859,238.45/761,441.60
  6. Step 6: Final answer
    x = 575,768.20

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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.