Home / 446,916.16-616,756.47-242,980.81

Finding the Fourth Proportional to 446,916.16, 616,756.47 and 242,980.81

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Solution

The fourth proportional to 446,916.16, 616,756.47 and 242,980.81 is: 335,320.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,916.16 : 616,756.47 = 242,980.81 : x
  2. Step 2: Convert to fraction form
    446,916.16/616,756.47 = 242,980.81/x
  3. Step 3: Cross multiply
    446,916.16x = 616,756.47 × 242,980.81
  4. Step 4: Simplify right side
    446,916.16x = 149,859,983,569.56
  5. Step 5: Solve for x
    x = 149,859,983,569.56/446,916.16
  6. Step 6: Final answer
    x = 335,320.13

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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.