Home / 963,000.07-1,328,938.90-533,279.68

Finding the Fourth Proportional to 963,000.07, 1,328,938.90 and 533,279.68

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Solution

The fourth proportional to 963,000.07, 1,328,938.90 and 533,279.68 is: 735,925.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,000.07 : 1,328,938.90 = 533,279.68 : x
  2. Step 2: Convert to fraction form
    963,000.07/1,328,938.90 = 533,279.68/x
  3. Step 3: Cross multiply
    963,000.07x = 1,328,938.90 × 533,279.68
  4. Step 4: Simplify right side
    963,000.07x = 708,696,111,331.55
  5. Step 5: Solve for x
    x = 708,696,111,331.55/963,000.07
  6. Step 6: Final answer
    x = 735,925.30

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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.