Home / 635,848.40-877,547.08-381,339.60

Finding the Fourth Proportional to 635,848.40, 877,547.08 and 381,339.60

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Solution

The fourth proportional to 635,848.40, 877,547.08 and 381,339.60 is: 526,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,848.40 : 877,547.08 = 381,339.60 : x
  2. Step 2: Convert to fraction form
    635,848.40/877,547.08 = 381,339.60/x
  3. Step 3: Cross multiply
    635,848.40x = 877,547.08 × 381,339.60
  4. Step 4: Simplify right side
    635,848.40x = 334,643,452,468.37
  5. Step 5: Solve for x
    x = 334,643,452,468.37/635,848.40
  6. Step 6: Final answer
    x = 526,294.40

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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.