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Finding the Fourth Proportional to 1,036,885, 1,430,901.32 and 559,957

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Solution

The fourth proportional to 1,036,885, 1,430,901.32 and 559,957 is: 772,740.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,885 : 1,430,901.32 = 559,957 : x
  2. Step 2: Convert to fraction form
    1,036,885/1,430,901.32 = 559,957/x
  3. Step 3: Cross multiply
    1,036,885x = 1,430,901.32 × 559,957
  4. Step 4: Simplify right side
    1,036,885x = 801,243,210,443.24
  5. Step 5: Solve for x
    x = 801,243,210,443.24/1,036,885
  6. Step 6: Final answer
    x = 772,740.67

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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.