Home / 724,281.65-999,612.81-433,905.63

Finding the Fourth Proportional to 724,281.65, 999,612.81 and 433,905.63

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Solution

The fourth proportional to 724,281.65, 999,612.81 and 433,905.63 is: 598,852.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,281.65 : 999,612.81 = 433,905.63 : x
  2. Step 2: Convert to fraction form
    724,281.65/999,612.81 = 433,905.63/x
  3. Step 3: Cross multiply
    724,281.65x = 999,612.81 × 433,905.63
  4. Step 4: Simplify right side
    724,281.65x = 433,737,623,909.59
  5. Step 5: Solve for x
    x = 433,737,623,909.59/724,281.65
  6. Step 6: Final answer
    x = 598,852.15

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Double scale
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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.