Home / 776,501.15-1,071,569.40-436,969.40

Finding the Fourth Proportional to 776,501.15, 1,071,569.40 and 436,969.40

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Solution

The fourth proportional to 776,501.15, 1,071,569.40 and 436,969.40 is: 603,016.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,501.15 : 1,071,569.40 = 436,969.40 : x
  2. Step 2: Convert to fraction form
    776,501.15/1,071,569.40 = 436,969.40/x
  3. Step 3: Cross multiply
    776,501.15x = 1,071,569.40 × 436,969.40
  4. Step 4: Simplify right side
    776,501.15x = 468,243,037,776.36
  5. Step 5: Solve for x
    x = 468,243,037,776.36/776,501.15
  6. Step 6: Final answer
    x = 603,016.54

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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.