Home / 1,608,547.60-2,219,850.12-920,332.72

Finding the Fourth Proportional to 1,608,547.60, 2,219,850.12 and 920,332.72

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Solution

The fourth proportional to 1,608,547.60, 2,219,850.12 and 920,332.72 is: 1,270,090.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,547.60 : 2,219,850.12 = 920,332.72 : x
  2. Step 2: Convert to fraction form
    1,608,547.60/2,219,850.12 = 920,332.72/x
  3. Step 3: Cross multiply
    1,608,547.60x = 2,219,850.12 × 920,332.72
  4. Step 4: Simplify right side
    1,608,547.60x = 2,043,000,698,931.93
  5. Step 5: Solve for x
    x = 2,043,000,698,931.93/1,608,547.60
  6. Step 6: Final answer
    x = 1,270,090.30

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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.