Home / 1,116,015.80-1,674,461.10-406,115.60

Finding the Fourth Proportional to 1,116,015.80, 1,674,461.10 and 406,115.60

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Solution

The fourth proportional to 1,116,015.80, 1,674,461.10 and 406,115.60 is: 609,332.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,015.80 : 1,674,461.10 = 406,115.60 : x
  2. Step 2: Convert to fraction form
    1,116,015.80/1,674,461.10 = 406,115.60/x
  3. Step 3: Cross multiply
    1,116,015.80x = 1,674,461.10 × 406,115.60
  4. Step 4: Simplify right side
    1,116,015.80x = 680,024,774,303.16
  5. Step 5: Solve for x
    x = 680,024,774,303.16/1,116,015.80
  6. Step 6: Final answer
    x = 609,332.57

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.