Home / 916,173.71-1,264,353.50-553,527.51

Finding the Fourth Proportional to 916,173.71, 1,264,353.50 and 553,527.51

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Solution

The fourth proportional to 916,173.71, 1,264,353.50 and 553,527.51 is: 763,888.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,173.71 : 1,264,353.50 = 553,527.51 : x
  2. Step 2: Convert to fraction form
    916,173.71/1,264,353.50 = 553,527.51/x
  3. Step 3: Cross multiply
    916,173.71x = 1,264,353.50 × 553,527.51
  4. Step 4: Simplify right side
    916,173.71x = 699,854,444,614.79
  5. Step 5: Solve for x
    x = 699,854,444,614.79/916,173.71
  6. Step 6: Final answer
    x = 763,888.37

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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.