Home / 1,565,533.74-2,160,400.02-920,995.44

Finding the Fourth Proportional to 1,565,533.74, 2,160,400.02 and 920,995.44

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Solution

The fourth proportional to 1,565,533.74, 2,160,400.02 and 920,995.44 is: 1,270,952.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,533.74 : 2,160,400.02 = 920,995.44 : x
  2. Step 2: Convert to fraction form
    1,565,533.74/2,160,400.02 = 920,995.44/x
  3. Step 3: Cross multiply
    1,565,533.74x = 2,160,400.02 × 920,995.44
  4. Step 4: Simplify right side
    1,565,533.74x = 1,989,718,566,995.91
  5. Step 5: Solve for x
    x = 1,989,718,566,995.91/1,565,533.74
  6. Step 6: Final answer
    x = 1,270,952.21

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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.