Home / 945,726.15-1,305,296.34-578,266.11

Finding the Fourth Proportional to 945,726.15, 1,305,296.34 and 578,266.11

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Solution

The fourth proportional to 945,726.15, 1,305,296.34 and 578,266.11 is: 798,126.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,726.15 : 1,305,296.34 = 578,266.11 : x
  2. Step 2: Convert to fraction form
    945,726.15/1,305,296.34 = 578,266.11/x
  3. Step 3: Cross multiply
    945,726.15x = 1,305,296.34 × 578,266.11
  4. Step 4: Simplify right side
    945,726.15x = 754,808,636,929.04
  5. Step 5: Solve for x
    x = 754,808,636,929.04/945,726.15
  6. Step 6: Final answer
    x = 798,126.01

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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.