Home / 6,435,128.34-8,880,550.16-3,534,587.19

Finding the Fourth Proportional to 6,435,128.34, 8,880,550.16 and 3,534,587.19

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Solution

The fourth proportional to 6,435,128.34, 8,880,550.16 and 3,534,587.19 is: 4,877,770.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,435,128.34 : 8,880,550.16 = 3,534,587.19 : x
  2. Step 2: Convert to fraction form
    6,435,128.34/8,880,550.16 = 3,534,587.19/x
  3. Step 3: Cross multiply
    6,435,128.34x = 8,880,550.16 × 3,534,587.19
  4. Step 4: Simplify right side
    6,435,128.34x = 31,389,078,818,015.51
  5. Step 5: Solve for x
    x = 31,389,078,818,015.51/6,435,128.34
  6. Step 6: Final answer
    x = 4,877,770.44

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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.