Home / 1,118,411.85-1,543,425.93-609,113.82

Finding the Fourth Proportional to 1,118,411.85, 1,543,425.93 and 609,113.82

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Solution

The fourth proportional to 1,118,411.85, 1,543,425.93 and 609,113.82 is: 840,586.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,411.85 : 1,543,425.93 = 609,113.82 : x
  2. Step 2: Convert to fraction form
    1,118,411.85/1,543,425.93 = 609,113.82/x
  3. Step 3: Cross multiply
    1,118,411.85x = 1,543,425.93 × 609,113.82
  4. Step 4: Simplify right side
    1,118,411.85x = 940,122,064,109.35
  5. Step 5: Solve for x
    x = 940,122,064,109.35/1,118,411.85
  6. Step 6: Final answer
    x = 840,586.64

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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.