Home / 723,724.40-1,084,031.40-630,412.40

Finding the Fourth Proportional to 723,724.40, 1,084,031.40 and 630,412.40

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Solution

The fourth proportional to 723,724.40, 1,084,031.40 and 630,412.40 is: 944,263.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,724.40 : 1,084,031.40 = 630,412.40 : x
  2. Step 2: Convert to fraction form
    723,724.40/1,084,031.40 = 630,412.40/x
  3. Step 3: Cross multiply
    723,724.40x = 1,084,031.40 × 630,412.40
  4. Step 4: Simplify right side
    723,724.40x = 683,386,836,549.36
  5. Step 5: Solve for x
    x = 683,386,836,549.36/723,724.40
  6. Step 6: Final answer
    x = 944,263.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.