Home / 747,048.40-1,031,260.74-506,062.87

Finding the Fourth Proportional to 747,048.40, 1,031,260.74 and 506,062.87

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Solution

The fourth proportional to 747,048.40, 1,031,260.74 and 506,062.87 is: 698,592.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,048.40 : 1,031,260.74 = 506,062.87 : x
  2. Step 2: Convert to fraction form
    747,048.40/1,031,260.74 = 506,062.87/x
  3. Step 3: Cross multiply
    747,048.40x = 1,031,260.74 × 506,062.87
  4. Step 4: Simplify right side
    747,048.40x = 521,882,769,802.72
  5. Step 5: Solve for x
    x = 521,882,769,802.72/747,048.40
  6. Step 6: Final answer
    x = 698,592.98

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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.