Home / 910,205.92-1,256,075.40-502,311.52

Finding the Fourth Proportional to 910,205.92, 1,256,075.40 and 502,311.52

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Solution

The fourth proportional to 910,205.92, 1,256,075.40 and 502,311.52 is: 693,185.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,205.92 : 1,256,075.40 = 502,311.52 : x
  2. Step 2: Convert to fraction form
    910,205.92/1,256,075.40 = 502,311.52/x
  3. Step 3: Cross multiply
    910,205.92x = 1,256,075.40 × 502,311.52
  4. Step 4: Simplify right side
    910,205.92x = 630,941,143,408.61
  5. Step 5: Solve for x
    x = 630,941,143,408.61/910,205.92
  6. Step 6: Final answer
    x = 693,185.06

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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.