Home / 776,501.40-1,071,569.75-436,969.65

Finding the Fourth Proportional to 776,501.40, 1,071,569.75 and 436,969.65

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Solution

The fourth proportional to 776,501.40, 1,071,569.75 and 436,969.65 is: 603,016.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,501.40 : 1,071,569.75 = 436,969.65 : x
  2. Step 2: Convert to fraction form
    776,501.40/1,071,569.75 = 436,969.65/x
  3. Step 3: Cross multiply
    776,501.40x = 1,071,569.75 × 436,969.65
  4. Step 4: Simplify right side
    776,501.40x = 468,243,456,423.24
  5. Step 5: Solve for x
    x = 468,243,456,423.24/776,501.40
  6. Step 6: Final answer
    x = 603,016.89

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1.5x scale

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.