Home / 724,532.18-999,834.96-434,307.72

Finding the Fourth Proportional to 724,532.18, 999,834.96 and 434,307.72

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Solution

The fourth proportional to 724,532.18, 999,834.96 and 434,307.72 is: 599,333.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,532.18 : 999,834.96 = 434,307.72 : x
  2. Step 2: Convert to fraction form
    724,532.18/999,834.96 = 434,307.72/x
  3. Step 3: Cross multiply
    724,532.18x = 999,834.96 × 434,307.72
  4. Step 4: Simplify right side
    724,532.18x = 434,236,041,853.89
  5. Step 5: Solve for x
    x = 434,236,041,853.89/724,532.18
  6. Step 6: Final answer
    x = 599,333.00

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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.