Home / 877,386.64-1,210,895.04-533,240.32

Finding the Fourth Proportional to 877,386.64, 1,210,895.04 and 533,240.32

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Solution

The fourth proportional to 877,386.64, 1,210,895.04 and 533,240.32 is: 735,933.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,386.64 : 1,210,895.04 = 533,240.32 : x
  2. Step 2: Convert to fraction form
    877,386.64/1,210,895.04 = 533,240.32/x
  3. Step 3: Cross multiply
    877,386.64x = 1,210,895.04 × 533,240.32
  4. Step 4: Simplify right side
    877,386.64x = 645,698,058,616.01
  5. Step 5: Solve for x
    x = 645,698,058,616.01/877,386.64
  6. Step 6: Final answer
    x = 735,933.32

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Double scale
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1.5x scale

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.