Home / 1,125,831.40-1,688,747.10-564,663.40

Finding the Fourth Proportional to 1,125,831.40, 1,688,747.10 and 564,663.40

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Solution

The fourth proportional to 1,125,831.40, 1,688,747.10 and 564,663.40 is: 846,995.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,831.40 : 1,688,747.10 = 564,663.40 : x
  2. Step 2: Convert to fraction form
    1,125,831.40/1,688,747.10 = 564,663.40/x
  3. Step 3: Cross multiply
    1,125,831.40x = 1,688,747.10 × 564,663.40
  4. Step 4: Simplify right side
    1,125,831.40x = 953,573,679,226.14
  5. Step 5: Solve for x
    x = 953,573,679,226.14/1,125,831.40
  6. Step 6: Final answer
    x = 846,995.10

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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.