Home / 530,784.90-732,547.95-301,414.39

Finding the Fourth Proportional to 530,784.90, 732,547.95 and 301,414.39

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Solution

The fourth proportional to 530,784.90, 732,547.95 and 301,414.39 is: 415,988.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,784.90 : 732,547.95 = 301,414.39 : x
  2. Step 2: Convert to fraction form
    530,784.90/732,547.95 = 301,414.39/x
  3. Step 3: Cross multiply
    530,784.90x = 732,547.95 × 301,414.39
  4. Step 4: Simplify right side
    530,784.90x = 220,800,494,289.07
  5. Step 5: Solve for x
    x = 220,800,494,289.07/530,784.90
  6. Step 6: Final answer
    x = 415,988.65

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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.