Home / 840,549.79-1,160,048.07-514,053.81

Finding the Fourth Proportional to 840,549.79, 1,160,048.07 and 514,053.81

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Solution

The fourth proportional to 840,549.79, 1,160,048.07 and 514,053.81 is: 709,448.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,549.79 : 1,160,048.07 = 514,053.81 : x
  2. Step 2: Convert to fraction form
    840,549.79/1,160,048.07 = 514,053.81/x
  3. Step 3: Cross multiply
    840,549.79x = 1,160,048.07 × 514,053.81
  4. Step 4: Simplify right side
    840,549.79x = 596,327,131,473.19
  5. Step 5: Solve for x
    x = 596,327,131,473.19/840,549.79
  6. Step 6: Final answer
    x = 709,448.91

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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.