Home / 1,234,478.72-1,703,541.48-690,624.02

Finding the Fourth Proportional to 1,234,478.72, 1,703,541.48 and 690,624.02

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Solution

The fourth proportional to 1,234,478.72, 1,703,541.48 and 690,624.02 is: 953,039.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,478.72 : 1,703,541.48 = 690,624.02 : x
  2. Step 2: Convert to fraction form
    1,234,478.72/1,703,541.48 = 690,624.02/x
  3. Step 3: Cross multiply
    1,234,478.72x = 1,703,541.48 × 690,624.02
  4. Step 4: Simplify right side
    1,234,478.72x = 1,176,506,665,154.35
  5. Step 5: Solve for x
    x = 1,176,506,665,154.35/1,234,478.72
  6. Step 6: Final answer
    x = 953,039.24

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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.