Home / 972,423.29-1,341,908.93-536,831.30

Finding the Fourth Proportional to 972,423.29, 1,341,908.93 and 536,831.30

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Solution

The fourth proportional to 972,423.29, 1,341,908.93 and 536,831.30 is: 740,807.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,423.29 : 1,341,908.93 = 536,831.30 : x
  2. Step 2: Convert to fraction form
    972,423.29/1,341,908.93 = 536,831.30/x
  3. Step 3: Cross multiply
    972,423.29x = 1,341,908.93 × 536,831.30
  4. Step 4: Simplify right side
    972,423.29x = 720,378,705,979.81
  5. Step 5: Solve for x
    x = 720,378,705,979.81/972,423.29
  6. Step 6: Final answer
    x = 740,807.74

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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.