Home / 1,211,403.60-1,817,105.40-975,207.60

Finding the Fourth Proportional to 1,211,403.60, 1,817,105.40 and 975,207.60

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Solution

The fourth proportional to 1,211,403.60, 1,817,105.40 and 975,207.60 is: 1,462,811.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,403.60 : 1,817,105.40 = 975,207.60 : x
  2. Step 2: Convert to fraction form
    1,211,403.60/1,817,105.40 = 975,207.60/x
  3. Step 3: Cross multiply
    1,211,403.60x = 1,817,105.40 × 975,207.60
  4. Step 4: Simplify right side
    1,211,403.60x = 1,772,054,996,081.04
  5. Step 5: Solve for x
    x = 1,772,054,996,081.04/1,211,403.60
  6. Step 6: Final answer
    x = 1,462,811.40

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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.