Home / 954,445.38-1,316,997.45-561,744.81

Finding the Fourth Proportional to 954,445.38, 1,316,997.45 and 561,744.81

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Solution

The fourth proportional to 954,445.38, 1,316,997.45 and 561,744.81 is: 775,127.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,445.38 : 1,316,997.45 = 561,744.81 : x
  2. Step 2: Convert to fraction form
    954,445.38/1,316,997.45 = 561,744.81/x
  3. Step 3: Cross multiply
    954,445.38x = 1,316,997.45 × 561,744.81
  4. Step 4: Simplify right side
    954,445.38x = 739,816,482,320.74
  5. Step 5: Solve for x
    x = 739,816,482,320.74/954,445.38
  6. Step 6: Final answer
    x = 775,127.10

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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.