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Finding the Fourth Proportional to 971,510.40, 1,460,030.40 and 849,859.20

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Solution

The fourth proportional to 971,510.40, 1,460,030.40 and 849,859.20 is: 1,277,207.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,510.40 : 1,460,030.40 = 849,859.20 : x
  2. Step 2: Convert to fraction form
    971,510.40/1,460,030.40 = 849,859.20/x
  3. Step 3: Cross multiply
    971,510.40x = 1,460,030.40 × 849,859.20
  4. Step 4: Simplify right side
    971,510.40x = 1,240,820,267,719.68
  5. Step 5: Solve for x
    x = 1,240,820,267,719.68/971,510.40
  6. Step 6: Final answer
    x = 1,277,207.40

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