Home / 709,623.30-1,064,106.90-310,058.40

Finding the Fourth Proportional to 709,623.30, 1,064,106.90 and 310,058.40

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Solution

The fourth proportional to 709,623.30, 1,064,106.90 and 310,058.40 is: 464,944.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,623.30 : 1,064,106.90 = 310,058.40 : x
  2. Step 2: Convert to fraction form
    709,623.30/1,064,106.90 = 310,058.40/x
  3. Step 3: Cross multiply
    709,623.30x = 1,064,106.90 × 310,058.40
  4. Step 4: Simplify right side
    709,623.30x = 329,935,282,842.96
  5. Step 5: Solve for x
    x = 329,935,282,842.96/709,623.30
  6. Step 6: Final answer
    x = 464,944.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.