Home / 1,013,571.12-1,398,670.20-560,835.12

Finding the Fourth Proportional to 1,013,571.12, 1,398,670.20 and 560,835.12

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Solution

The fourth proportional to 1,013,571.12, 1,398,670.20 and 560,835.12 is: 773,920.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,571.12 : 1,398,670.20 = 560,835.12 : x
  2. Step 2: Convert to fraction form
    1,013,571.12/1,398,670.20 = 560,835.12/x
  3. Step 3: Cross multiply
    1,013,571.12x = 1,398,670.20 × 560,835.12
  4. Step 4: Simplify right side
    1,013,571.12x = 784,423,369,457.42
  5. Step 5: Solve for x
    x = 784,423,369,457.42/1,013,571.12
  6. Step 6: Final answer
    x = 773,920.40

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Double scale
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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.