Home / 1,142,378.90-1,576,545.63-633,070.34

Finding the Fourth Proportional to 1,142,378.90, 1,576,545.63 and 633,070.34

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Solution

The fourth proportional to 1,142,378.90, 1,576,545.63 and 633,070.34 is: 873,671.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,378.90 : 1,576,545.63 = 633,070.34 : x
  2. Step 2: Convert to fraction form
    1,142,378.90/1,576,545.63 = 633,070.34/x
  3. Step 3: Cross multiply
    1,142,378.90x = 1,576,545.63 × 633,070.34
  4. Step 4: Simplify right side
    1,142,378.90x = 998,064,278,009.61
  5. Step 5: Solve for x
    x = 998,064,278,009.61/1,142,378.90
  6. Step 6: Final answer
    x = 873,671.84

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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.