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Finding the Fourth Proportional to 1,778,346, 2,454,117.48 and 973,530

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Solution

The fourth proportional to 1,778,346, 2,454,117.48 and 973,530 is: 1,343,471.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,346 : 2,454,117.48 = 973,530 : x
  2. Step 2: Convert to fraction form
    1,778,346/2,454,117.48 = 973,530/x
  3. Step 3: Cross multiply
    1,778,346x = 2,454,117.48 × 973,530
  4. Step 4: Simplify right side
    1,778,346x = 2,389,156,990,304.40
  5. Step 5: Solve for x
    x = 2,389,156,990,304.40/1,778,346
  6. Step 6: Final answer
    x = 1,343,471.40

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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.