Home / 739,700.34-1,020,776.46-413,018.40

Finding the Fourth Proportional to 739,700.34, 1,020,776.46 and 413,018.40

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Solution

The fourth proportional to 739,700.34, 1,020,776.46 and 413,018.40 is: 569,959.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,700.34 : 1,020,776.46 = 413,018.40 : x
  2. Step 2: Convert to fraction form
    739,700.34/1,020,776.46 = 413,018.40/x
  3. Step 3: Cross multiply
    739,700.34x = 1,020,776.46 × 413,018.40
  4. Step 4: Simplify right side
    739,700.34x = 421,599,460,266.86
  5. Step 5: Solve for x
    x = 421,599,460,266.86/739,700.34
  6. Step 6: Final answer
    x = 569,959.80

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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.