Home / 1,118,408.60-1,543,421.45-609,110.57

Finding the Fourth Proportional to 1,118,408.60, 1,543,421.45 and 609,110.57

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Solution

The fourth proportional to 1,118,408.60, 1,543,421.45 and 609,110.57 is: 840,582.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,408.60 : 1,543,421.45 = 609,110.57 : x
  2. Step 2: Convert to fraction form
    1,118,408.60/1,543,421.45 = 609,110.57/x
  3. Step 3: Cross multiply
    1,118,408.60x = 1,543,421.45 × 609,110.57
  4. Step 4: Simplify right side
    1,118,408.60x = 940,114,319,159.73
  5. Step 5: Solve for x
    x = 940,114,319,159.73/1,118,408.60
  6. Step 6: Final answer
    x = 840,582.16

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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.