Home / 658,368.18-908,184.30-535,992.20

Finding the Fourth Proportional to 658,368.18, 908,184.30 and 535,992.20

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Solution

The fourth proportional to 658,368.18, 908,184.30 and 535,992.20 is: 739,373.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,368.18 : 908,184.30 = 535,992.20 : x
  2. Step 2: Convert to fraction form
    658,368.18/908,184.30 = 535,992.20/x
  3. Step 3: Cross multiply
    658,368.18x = 908,184.30 × 535,992.20
  4. Step 4: Simplify right side
    658,368.18x = 486,779,696,421.54
  5. Step 5: Solve for x
    x = 486,779,696,421.54/658,368.18
  6. Step 6: Final answer
    x = 739,373.06

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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.