Home / 535,848.25-803,531.54-385,458.25

Finding the Fourth Proportional to 535,848.25, 803,531.54 and 385,458.25

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Solution

The fourth proportional to 535,848.25, 803,531.54 and 385,458.25 is: 578,014.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,848.25 : 803,531.54 = 385,458.25 : x
  2. Step 2: Convert to fraction form
    535,848.25/803,531.54 = 385,458.25/x
  3. Step 3: Cross multiply
    535,848.25x = 803,531.54 × 385,458.25
  4. Step 4: Simplify right side
    535,848.25x = 309,727,859,300.91
  5. Step 5: Solve for x
    x = 309,727,859,300.91/535,848.25
  6. Step 6: Final answer
    x = 578,014.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.