Home / 767,075.60-1,058,813.16-512,483.60

Finding the Fourth Proportional to 767,075.60, 1,058,813.16 and 512,483.60

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Solution

The fourth proportional to 767,075.60, 1,058,813.16 and 512,483.60 is: 707,393.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,075.60 : 1,058,813.16 = 512,483.60 : x
  2. Step 2: Convert to fraction form
    767,075.60/1,058,813.16 = 512,483.60/x
  3. Step 3: Cross multiply
    767,075.60x = 1,058,813.16 × 512,483.60
  4. Step 4: Simplify right side
    767,075.60x = 542,624,379,964.18
  5. Step 5: Solve for x
    x = 542,624,379,964.18/767,075.60
  6. Step 6: Final answer
    x = 707,393.61

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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.