Home / 1,249,897.18-1,874,933.87-618,641.50

Finding the Fourth Proportional to 1,249,897.18, 1,874,933.87 and 618,641.50

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Solution

The fourth proportional to 1,249,897.18, 1,874,933.87 and 618,641.50 is: 928,005.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,897.18 : 1,874,933.87 = 618,641.50 : x
  2. Step 2: Convert to fraction form
    1,249,897.18/1,874,933.87 = 618,641.50/x
  3. Step 3: Cross multiply
    1,249,897.18x = 1,874,933.87 × 618,641.50
  4. Step 4: Simplify right side
    1,249,897.18x = 1,159,911,901,737.61
  5. Step 5: Solve for x
    x = 1,159,911,901,737.61/1,249,897.18
  6. Step 6: Final answer
    x = 928,005.86

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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.