Home / 1,004,316.48-1,386,380.79-678,071.45

Finding the Fourth Proportional to 1,004,316.48, 1,386,380.79 and 678,071.45

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Solution

The fourth proportional to 1,004,316.48, 1,386,380.79 and 678,071.45 is: 936,024.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,316.48 : 1,386,380.79 = 678,071.45 : x
  2. Step 2: Convert to fraction form
    1,004,316.48/1,386,380.79 = 678,071.45/x
  3. Step 3: Cross multiply
    1,004,316.48x = 1,386,380.79 × 678,071.45
  4. Step 4: Simplify right side
    1,004,316.48x = 940,065,225,595.54
  5. Step 5: Solve for x
    x = 940,065,225,595.54/1,004,316.48
  6. Step 6: Final answer
    x = 936,024.89

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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.